Compare 72/10 and 42/5
1st number: 7 2/10, 2nd number: 8 2/5
72/10 is smaller than 42/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
72/10 = 72 × 1/10 × 1 = 72/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
42/5 = 42 × 2/5 × 2 = 84/10 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72/10 < 84/10 or 72/10 < 42/5
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