Subtract 8/45 from 81/28
1st number: 2 25/28, 2nd number: 8/45
81/28 - 8/45 is 3421/1260.
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,
81/28 = 81 × 45/28 × 45 = 3645/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
8/45 = 8 × 28/45 × 28 = 224/1260 - Subtract the two like fractions:
3645/1260 - 224/1260 = 3645 - 224/1260 = 3421/1260 - In mixed form: 2901/1260
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