Compare 90/40 and 15/70
1st number: 2 10/40, 2nd number: 15/70
90/40 is greater than 15/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
90/40 = 90 × 7/40 × 7 = 630/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
15/70 = 15 × 4/70 × 4 = 60/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/280 > 60/280 or 90/40 > 15/70
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