Compare 21/5 and 28/70
1st number: 4 1/5, 2nd number: 28/70
21/5 is greater than 28/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
21/5 = 21 × 14/5 × 14 = 294/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/70 > 28/70 or 21/5 > 28/70
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