Compare 21/5 and 7/10
1st number: 4 1/5, 2nd number: 7/10
215 is greater than 710
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
215 = 21 × 25 × 2 = 4210 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
710 = 7 × 110 × 1 = 710 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4210 > 710 or 215 > 710
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