Subtract 72/16 from 90/50
1st number: 1 40/50, 2nd number: 4 8/16
90/50 - 72/16 is -27/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
90/50 = 90 × 8/50 × 8 = 720/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
72/16 = 72 × 25/16 × 25 = 1800/400 - Subtract the two like fractions:
720/400 - 1800/400 = 720 - 1800/400 = -1080/400 - After reducing the fraction, the answer is -27/10
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