Compare 5/7 and 28/30
5/7 is smaller than 28/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
5/7 = 5 × 30/7 × 30 = 150/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/210 < 196/210 or 5/7 < 28/30
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