Compare 40/50 and 42/70
40/50 is greater than 42/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
40/50 = 40 × 7/50 × 7 = 280/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
42/70 = 42 × 5/70 × 5 = 210/350 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/350 > 210/350 or 40/50 > 42/70
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