Subtract 20/4 from 28/8
1st number: 3 4/8, 2nd number: 5 0/4
28/8 - 20/4 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 4 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 8 × 1 = 8,
28/8 = 28 × 1/8 × 1 = 28/8 - Likewise, for the 2nd fraction, since 4 × 2 = 8,
20/4 = 20 × 2/4 × 2 = 40/8 - Subtract the two like fractions:
28/8 - 40/8 = 28 - 40/8 = -12/8 - After reducing the fraction, the answer is -3/2
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