Subtract 7/84 from 42/28
1st number: 1 14/28, 2nd number: 7/84
42/28 - 7/84 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
42/28 = 42 × 3/28 × 3 = 126/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Subtract the two like fractions:
126/84 - 7/84 = 126 - 7/84 = 119/84 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
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