Subtract 30/20 from 80/8
1st number: 10 0/8, 2nd number: 1 10/20
80/8 - 30/20 is 17/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
80/8 = 80 × 5/8 × 5 = 400/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
30/20 = 30 × 2/20 × 2 = 60/40 - Subtract the two like fractions:
400/40 - 60/40 = 400 - 60/40 = 340/40 - After reducing the fraction, the answer is 17/2
- In mixed form: 81/2
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