Subtract 18/28 from 18/8
1st number: 2 2/8, 2nd number: 18/28
18/8 - 18/28 is 45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Subtract the two like fractions:
126/56 - 36/56 = 126 - 36/56 = 90/56 - After reducing the fraction, the answer is 45/28
- In mixed form: 117/28
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