Subtract 42/48 from 30/12
1st number: 2 6/12, 2nd number: 42/48
30/12 - 42/48 is 13/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
30/12 = 30 × 4/12 × 4 = 120/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
42/48 = 42 × 1/48 × 1 = 42/48 - Subtract the two like fractions:
120/48 - 42/48 = 120 - 42/48 = 78/48 - After reducing the fraction, the answer is 13/8
- In mixed form: 15/8
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