Solutions by everydaycalculation.com

1042 is greater than 1272

- Find the least common denominator or LCM of the two denominators:

LCM of 42 and 72 is**504**

Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,

1042 = 10 × 1242 × 12 = 120504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,

1272 = 12 × 772 × 7 = 84504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120504 > 84504 or 1042 > 1272

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