Subtract 49/20 from 28/8
1st number: 3 4/8, 2nd number: 2 9/20
28/8 - 49/20 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
28/8 = 28 × 5/8 × 5 = 140/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
49/20 = 49 × 2/20 × 2 = 98/40 - Subtract the two like fractions:
140/40 - 98/40 = 140 - 98/40 = 42/40 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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