Compare 7/10 and 20/28
7/10 is smaller than 20/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
7/10 = 7 × 14/10 × 14 = 98/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
20/28 = 20 × 5/28 × 5 = 100/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 98/140 < 100/140 or 7/10 < 20/28
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