Compare 42/45 and 56/75
42/45 is greater than 56/75
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 75 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
42/45 = 42 × 5/45 × 5 = 210/225 - Likewise, for the 2nd fraction, since 75 × 3 = 225,
56/75 = 56 × 3/75 × 3 = 168/225 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/225 > 168/225 or 42/45 > 56/75
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