Compare 21/5 and 84/32
1st number: 4 1/5, 2nd number: 2 20/32
21/5 is greater than 84/32
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 5 × 32 = 160,
21/5 = 21 × 32/5 × 32 = 672/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
84/32 = 84 × 5/32 × 5 = 420/160 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 672/160 > 420/160 or 21/5 > 84/32
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