Subtract 42/30 from 50/90
1st number: 50/90, 2nd number: 1 12/30
50/90 - 42/30 is -38/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
50/90 = 50 × 1/90 × 1 = 50/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
42/30 = 42 × 3/30 × 3 = 126/90 - Subtract the two like fractions:
50/90 - 126/90 = 50 - 126/90 = -76/90 - After reducing the fraction, the answer is -38/45
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