Subtract 48/90 from 81/4
1st number: 20 1/4, 2nd number: 48/90
81/4 - 48/90 is 1183/60.
Steps for subtracting 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,
81/4 = 81 × 45/4 × 45 = 3645/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
48/90 = 48 × 2/90 × 2 = 96/180 - Subtract the two like fractions:
3645/180 - 96/180 = 3645 - 96/180 = 3549/180 - After reducing the fraction, the answer is 1183/60
- In mixed form: 1943/60
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