Compare 20/25 and 40/70
20/25 is greater than 40/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
20/25 = 20 × 14/25 × 14 = 280/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
40/70 = 40 × 5/70 × 5 = 200/350 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/350 > 200/350 or 20/25 > 40/70
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