Compare 21/14 and 90/10
1st number: 1 7/14, 2nd number: 9 0/10
21/14 is smaller than 90/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/70 < 630/70 or 21/14 < 90/10
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