Compare 40/63 and 18/40
40/63 is greater than 18/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
40/63 = 40 × 40/63 × 40 = 1600/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
18/40 = 18 × 63/40 × 63 = 1134/2520 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1600/2520 > 1134/2520 or 40/63 > 18/40
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