Subtract 81/45 from 25/28
1st number: 25/28, 2nd number: 1 36/45
25/28 - 81/45 is -127/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
25/28 = 25 × 45/28 × 45 = 1125/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
81/45 = 81 × 28/45 × 28 = 2268/1260 - Subtract the two like fractions:
1125/1260 - 2268/1260 = 1125 - 2268/1260 = -1143/1260 - After reducing the fraction, the answer is -127/140
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