Subtract 50/28 from 81/18
1st number: 4 9/18, 2nd number: 1 22/28
81/18 - 50/28 is 19/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
81/18 = 81 × 14/18 × 14 = 1134/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
50/28 = 50 × 9/28 × 9 = 450/252 - Subtract the two like fractions:
1134/252 - 450/252 = 1134 - 450/252 = 684/252 - After reducing the fraction, the answer is 19/7
- In mixed form: 25/7
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