Compare 21/15 and 7/4
1st number: 1 6/15, 2nd number: 1 3/4
2115 is smaller than 74
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
2115 = 21 × 415 × 4 = 8460 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
74 = 7 × 154 × 15 = 10560 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 8460 < 10560 or 2115 < 74
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