Subtract 27/20 from 28/50
1st number: 28/50, 2nd number: 1 7/20
28/50 - 27/20 is -79/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
28/50 = 28 × 2/50 × 2 = 56/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
27/20 = 27 × 5/20 × 5 = 135/100 - Subtract the two like fractions:
56/100 - 135/100 = 56 - 135/100 = -79/100
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