Compare 72/49 and 90/70
1st number: 1 23/49, 2nd number: 1 20/70
72/49 is greater than 90/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
72/49 = 72 × 10/49 × 10 = 720/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
90/70 = 90 × 7/70 × 7 = 630/490 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/490 > 630/490 or 72/49 > 90/70
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