Subtract 50/45 from 28/90
1st number: 28/90, 2nd number: 1 5/45
28/90 - 50/45 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Subtract the two like fractions:
28/90 - 100/90 = 28 - 100/90 = -72/90 - After reducing the fraction, the answer is -4/5
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