Compare 42/48 and 28/90
42/48 is greater than 28/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
42/48 = 42 × 15/48 × 15 = 630/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
28/90 = 28 × 8/90 × 8 = 224/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/720 > 224/720 or 42/48 > 28/90
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