Subtract 18/50 from 81/7
1st number: 11 4/7, 2nd number: 18/50
81/7 - 18/50 is 1962/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
81/7 = 81 × 50/7 × 50 = 4050/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
18/50 = 18 × 7/50 × 7 = 126/350 - Subtract the two like fractions:
4050/350 - 126/350 = 4050 - 126/350 = 3924/350 - After reducing the fraction, the answer is 1962/175
- In mixed form: 1137/175
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