Compare 7/30 and 15/70
7/30 is greater than 15/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
7/30 = 7 × 7/30 × 7 = 49/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
15/70 = 15 × 3/70 × 3 = 45/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 49/210 > 45/210 or 7/30 > 15/70
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