Compare 12/90 and 45/56
12/90 is smaller than 45/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
12/90 = 12 × 28/90 × 28 = 336/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
45/56 = 45 × 45/56 × 45 = 2025/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 336/2520 < 2025/2520 or 12/90 < 45/56
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