Compare 72/10 and 63/42
1st number: 7 2/10, 2nd number: 1 21/42
72/10 is greater than 63/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
72/10 = 72 × 21/10 × 21 = 1512/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
63/42 = 63 × 5/42 × 5 = 315/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1512/210 > 315/210 or 72/10 > 63/42
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