Compare 21/7 and 63/80
1st number: 3 0/7, 2nd number: 63/80
21/7 is greater than 63/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
21/7 = 21 × 80/7 × 80 = 1680/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
63/80 = 63 × 7/80 × 7 = 441/560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1680/560 > 441/560 or 21/7 > 63/80
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