Compare 90/28 and 84/63
1st number: 3 6/28, 2nd number: 1 21/63
90/28 is greater than 84/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
84/63 = 84 × 4/63 × 4 = 336/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 810/252 > 336/252 or 90/28 > 84/63
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