Subtract 90/12 from 50/20
1st number: 2 10/20, 2nd number: 7 6/12
50/20 - 90/12 is -5/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
50/20 = 50 × 3/20 × 3 = 150/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Subtract the two like fractions:
150/60 - 450/60 = 150 - 450/60 = -300/60 - After reducing the fraction, the answer is -5/1
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