Subtract 21/36 from 90/14
1st number: 6 6/14, 2nd number: 21/36
90/14 - 21/36 is 491/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 14 × 18 = 252,
90/14 = 90 × 18/14 × 18 = 1620/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
21/36 = 21 × 7/36 × 7 = 147/252 - Subtract the two like fractions:
1620/252 - 147/252 = 1620 - 147/252 = 1473/252 - After reducing the fraction, the answer is 491/84
- In mixed form: 571/84
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