Subtract 80/18 from 70/5
1st number: 14 0/5, 2nd number: 4 8/18
70/5 - 80/18 is 86/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
70/5 = 70 × 18/5 × 18 = 1260/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Subtract the two like fractions:
1260/90 - 400/90 = 1260 - 400/90 = 860/90 - After reducing the fraction, the answer is 86/9
- In mixed form: 95/9
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