Subtract 9/28 from 42/27
1st number: 1 15/27, 2nd number: 9/28
42/27 - 9/28 is 311/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
42/27 = 42 × 28/27 × 28 = 1176/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
9/28 = 9 × 27/28 × 27 = 243/756 - Subtract the two like fractions:
1176/756 - 243/756 = 1176 - 243/756 = 933/756 - After reducing the fraction, the answer is 311/252
- In mixed form: 159/252
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