Compare 70/40 and 21/48
1st number: 1 30/40, 2nd number: 21/48
70/40 is greater than 21/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
70/40 = 70 × 6/40 × 6 = 420/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/240 > 105/240 or 70/40 > 21/48
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