Compare 70/40 and 21/50
1st number: 1 30/40, 2nd number: 21/50
70/40 is greater than 21/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
70/40 = 70 × 5/40 × 5 = 350/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 350/200 > 84/200 or 70/40 > 21/50
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