Compare 45/42 and 90/7
1st number: 1 3/42, 2nd number: 12 6/7
45/42 is smaller than 90/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
45/42 = 45 × 1/42 × 1 = 45/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
90/7 = 90 × 6/7 × 6 = 540/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/42 < 540/42 or 45/42 < 90/7
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