Subtract 30/20 from 27/8
1st number: 3 3/8, 2nd number: 1 10/20
27/8 - 30/20 is 15/8.
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,
27/8 = 27 × 5/8 × 5 = 135/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
30/20 = 30 × 2/20 × 2 = 60/40 - Subtract the two like fractions:
135/40 - 60/40 = 135 - 60/40 = 75/40 - After reducing the fraction, the answer is 15/8
- In mixed form: 17/8
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