Compare 60/45 and 21/20
1st number: 1 15/45, 2nd number: 1 1/20
60/45 is greater than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
60/45 = 60 × 4/45 × 4 = 240/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
21/20 = 21 × 9/20 × 9 = 189/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/180 > 189/180 or 60/45 > 21/20
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