Subtract 90/27 from 50/63
1st number: 50/63, 2nd number: 3 9/27
50/63 - 90/27 is -160/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 63 × 3 = 189,
50/63 = 50 × 3/63 × 3 = 150/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
90/27 = 90 × 7/27 × 7 = 630/189 - Subtract the two like fractions:
150/189 - 630/189 = 150 - 630/189 = -480/189 - After reducing the fraction, the answer is -160/63
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