Subtract 81/60 from 30/8
1st number: 3 6/8, 2nd number: 1 21/60
30/8 - 81/60 is 12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
30/8 = 30 × 15/8 × 15 = 450/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
81/60 = 81 × 2/60 × 2 = 162/120 - Subtract the two like fractions:
450/120 - 162/120 = 450 - 162/120 = 288/120 - After reducing the fraction, the answer is 12/5
- In mixed form: 22/5
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