Subtract 18/28 from 90/14
1st number: 6 6/14, 2nd number: 18/28
90/14 - 18/28 is 81/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
90/14 = 90 × 2/14 × 2 = 180/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Subtract the two like fractions:
180/28 - 18/28 = 180 - 18/28 = 162/28 - After reducing the fraction, the answer is 81/14
- In mixed form: 511/14
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