Subtract 72/12 from 42/50
1st number: 42/50, 2nd number: 6 0/12
42/50 - 72/12 is -129/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
42/50 = 42 × 6/50 × 6 = 252/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
72/12 = 72 × 25/12 × 25 = 1800/300 - Subtract the two like fractions:
252/300 - 1800/300 = 252 - 1800/300 = -1548/300 - After reducing the fraction, the answer is -129/25
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