Subtract 81/25 from 7/28
1st number: 7/28, 2nd number: 3 6/25
7/28 - 81/25 is -299/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 25 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
7/28 = 7 × 25/28 × 25 = 175/700 - Likewise, for the 2nd fraction, since 25 × 28 = 700,
81/25 = 81 × 28/25 × 28 = 2268/700 - Subtract the two like fractions:
175/700 - 2268/700 = 175 - 2268/700 = -2093/700 - After reducing the fraction, the answer is -299/100
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