Compare 72/42 and 63/30
1st number: 1 30/42, 2nd number: 2 3/30
72/42 is smaller than 63/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
72/42 = 72 × 5/42 × 5 = 360/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/210 < 441/210 or 72/42 < 63/30
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