Subtract 49/90 from 16/35
16/35 - 49/90 is -11/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
16/35 = 16 × 18/35 × 18 = 288/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
49/90 = 49 × 7/90 × 7 = 343/630 - Subtract the two like fractions:
288/630 - 343/630 = 288 - 343/630 = -55/630 - After reducing the fraction, the answer is -11/126
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