In the following exercises add the integers and frac tions separately, and then add the results: 25 39. 700 75 5 10 How many's of a foot in 2 inches? Four inches is what part of a foot? In 6 inches? How many inches = of a foot? of a foot? 327. If each third of A is divided into 2 equal parts, as in B, how many parts will there be? What is each part of B called?of=6. How many fifths of E are there to the left of CD? How many fifteenths of E are dark? To multiply one fraction by another We take the product of the numerators for the required numerator, and of the denominators for the denominator. 328. 1. Divide 4 ft. by 2 ft. 4 thirds by 2 thirds. 19. Write these fractions in a line, placing the largest first, the next largest second, and so on: , 1, 1, 3, 10, 329. How many sixths of A are shaded? How many times is contained in A? Can you find out by inverting ? Find how many times A contains (the light part). 4 What does A contain 6 times? What does it containg, or 2 times? B contains how many times? Can you tell by inverting 4? Invert and show how many times it is contained in the whole of B. In B, is contained 23 times, or times. Can we find how many times a fraction is contained in a whole or 1 by inverting the fraction? 2 5 2 10 5 Find how many times 1 contains 1, 3, 3, 4, To, Z. One-half is contained in one 2 times; in four it is contained times. How many times is contained in 1? In 2? In 5? In ? To divide by a fraction— Multiply the inverted divisor by the dividend. |