Compare 80/30 and 42/28
1st number: 2 20/30, 2nd number: 1 14/28
80/30 is greater than 42/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
80/30 = 80 × 14/30 × 14 = 1120/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
42/28 = 42 × 15/28 × 15 = 630/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1120/420 > 630/420 or 80/30 > 42/28
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