Compare 7/21 and 6/70
7/21 is greater than 6/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
7/21 = 7 × 10/21 × 10 = 70/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
6/70 = 6 × 3/70 × 3 = 18/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 70/210 > 18/210 or 7/21 > 6/70
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