Subtract 70/8 from 80/20
1st number: 4 0/20, 2nd number: 8 6/8
80/20 - 70/8 is -19/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
80/20 = 80 × 2/20 × 2 = 160/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Subtract the two like fractions:
160/40 - 350/40 = 160 - 350/40 = -190/40 - After reducing the fraction, the answer is -19/4
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