Subtract 42/63 from 45/50
45/50 - 42/63 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 63 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 50 × 63 = 3150,
45/50 = 45 × 63/50 × 63 = 2835/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
42/63 = 42 × 50/63 × 50 = 2100/3150 - Subtract the two like fractions:
2835/3150 - 2100/3150 = 2835 - 2100/3150 = 735/3150 - After reducing the fraction, the answer is 7/30
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