Compare 6/21 and 7/10
621 is smaller than 710
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
621 = 6 × 1021 × 10 = 60210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
710 = 7 × 2110 × 21 = 147210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60210 < 147210 or 621 < 710
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