Subtract 42/24 from 30/36
1st number: 30/36, 2nd number: 1 18/24
30/36 - 42/24 is -11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
30/36 = 30 × 2/36 × 2 = 60/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
42/24 = 42 × 3/24 × 3 = 126/72 - Subtract the two like fractions:
60/72 - 126/72 = 60 - 126/72 = -66/72 - After reducing the fraction, the answer is -11/12
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