Compare 21/3 and 15/70
1st number: 7 0/3, 2nd number: 15/70
21/3 is greater than 15/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
21/3 = 21 × 70/3 × 70 = 1470/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
15/70 = 15 × 3/70 × 3 = 45/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1470/210 > 45/210 or 21/3 > 15/70
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