Compare 48/90 and 75/21
1st number: 48/90, 2nd number: 3 12/21
48/90 is smaller than 75/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 21 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
48/90 = 48 × 7/90 × 7 = 336/630 - Likewise, for the 2nd fraction, since 21 × 30 = 630,
75/21 = 75 × 30/21 × 30 = 2250/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 336/630 < 2250/630 or 48/90 < 75/21
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