Subtract 12/42 from 90/14
1st number: 6 6/14, 2nd number: 12/42
90/14 - 12/42 is 43/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
90/14 = 90 × 3/14 × 3 = 270/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Subtract the two like fractions:
270/42 - 12/42 = 270 - 12/42 = 258/42 - After reducing the fraction, the answer is 43/7
- In mixed form: 61/7
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