Subtract 15/10 from 42/50
1st number: 42/50, 2nd number: 1 5/10
42/50 - 15/10 is -33/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 50 × 1 = 50,
42/50 = 42 × 1/50 × 1 = 42/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
15/10 = 15 × 5/10 × 5 = 75/50 - Subtract the two like fractions:
42/50 - 75/50 = 42 - 75/50 = -33/50
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