Subtract 70/50 from 42/63
1st number: 42/63, 2nd number: 1 20/50
42/63 - 70/50 is -11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 63 × 50 = 3150,
42/63 = 42 × 50/63 × 50 = 2100/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
70/50 = 70 × 63/50 × 63 = 4410/3150 - Subtract the two like fractions:
2100/3150 - 4410/3150 = 2100 - 4410/3150 = -2310/3150 - After reducing the fraction, the answer is -11/15
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Related: 84/63-70/50