Compare 42/10 and 72/7
1st number: 4 2/10, 2nd number: 10 2/7
42/10 is smaller than 72/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
72/7 = 72 × 10/7 × 10 = 720/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/70 < 720/70 or 42/10 < 72/7
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