Subtract 48/42 from 45/50
1st number: 45/50, 2nd number: 1 6/42
45/50 - 48/42 is -17/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
45/50 = 45 × 21/50 × 21 = 945/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
48/42 = 48 × 25/42 × 25 = 1200/1050 - Subtract the two like fractions:
945/1050 - 1200/1050 = 945 - 1200/1050 = -255/1050 - After reducing the fraction, the answer is -17/70
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