Subtract 70/50 from 28/32
1st number: 28/32, 2nd number: 1 20/50
28/32 - 70/50 is -21/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 50 is 800
Next, find the equivalent fraction of both fractional numbers with denominator 800 - For the 1st fraction, since 32 × 25 = 800,
28/32 = 28 × 25/32 × 25 = 700/800 - Likewise, for the 2nd fraction, since 50 × 16 = 800,
70/50 = 70 × 16/50 × 16 = 1120/800 - Subtract the two like fractions:
700/800 - 1120/800 = 700 - 1120/800 = -420/800 - After reducing the fraction, the answer is -21/40
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