Subtract 90/28 from 30/14
1st number: 2 2/14, 2nd number: 3 6/28
30/14 - 90/28 is -15/14.
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,
30/14 = 30 × 2/14 × 2 = 60/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
90/28 = 90 × 1/28 × 1 = 90/28 - Subtract the two like fractions:
60/28 - 90/28 = 60 - 90/28 = -30/28 - After reducing the fraction, the answer is -15/14
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