Compare 42/48 and 72/70
1st number: 42/48, 2nd number: 1 2/70
42/48 is smaller than 72/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
42/48 = 42 × 35/48 × 35 = 1470/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
72/70 = 72 × 24/70 × 24 = 1728/1680 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1470/1680 < 1728/1680 or 42/48 < 72/70
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