Subtract 81/28 from 18/50
1st number: 18/50, 2nd number: 2 25/28
18/50 - 81/28 is -1773/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
18/50 = 18 × 14/50 × 14 = 252/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
81/28 = 81 × 25/28 × 25 = 2025/700 - Subtract the two like fractions:
252/700 - 2025/700 = 252 - 2025/700 = -1773/700
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