Subtract 18/7 from 4/28
1st number: 4/28, 2nd number: 2 4/7
4/28 - 18/7 is -17/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
4/28 = 4 × 1/28 × 1 = 4/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
18/7 = 18 × 4/7 × 4 = 72/28 - Subtract the two like fractions:
4/28 - 72/28 = 4 - 72/28 = -68/28 - After reducing the fraction, the answer is -17/7
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