Compare 70/80 and 63/70
70/80 is smaller than 63/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
70/80 = 70 × 7/80 × 7 = 490/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
63/70 = 63 × 8/70 × 8 = 504/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 490/560 < 504/560 or 70/80 < 63/70
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