Subtract 1/18 from 90/28
1st number: 3 6/28, 2nd number: 1/18
90/28 - 1/18 is 199/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
1/18 = 1 × 14/18 × 14 = 14/252 - Subtract the two like fractions:
810/252 - 14/252 = 810 - 14/252 = 796/252 - After reducing the fraction, the answer is 199/63
- In mixed form: 310/63
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