Compare 42/64 and 90/72
1st number: 42/64, 2nd number: 1 18/72
42/64 is smaller than 90/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 72 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
42/64 = 42 × 9/64 × 9 = 378/576 - Likewise, for the 2nd fraction, since 72 × 8 = 576,
90/72 = 90 × 8/72 × 8 = 720/576 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/576 < 720/576 or 42/64 < 90/72
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