Compare 70/20 and 84/28
1st number: 3 10/20, 2nd number: 3 0/28
70/20 is greater than 84/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
70/20 = 70 × 7/20 × 7 = 490/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
84/28 = 84 × 5/28 × 5 = 420/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 490/140 > 420/140 or 70/20 > 84/28
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