Subtract 70/6 from 90/20
1st number: 4 10/20, 2nd number: 11 4/6
90/20 - 70/6 is -43/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
90/20 = 90 × 3/20 × 3 = 270/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
70/6 = 70 × 10/6 × 10 = 700/60 - Subtract the two like fractions:
270/60 - 700/60 = 270 - 700/60 = -430/60 - After reducing the fraction, the answer is -43/6
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