Compare 7/4 and 72/90
1st number: 1 3/4, 2nd number: 72/90
7/4 is greater than 72/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
7/4 = 7 × 45/4 × 45 = 315/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
72/90 = 72 × 2/90 × 2 = 144/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/180 > 144/180 or 7/4 > 72/90
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