Subtract 49/8 from 84/20
1st number: 4 4/20, 2nd number: 6 1/8
84/20 - 49/8 is -77/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
84/20 = 84 × 2/20 × 2 = 168/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
49/8 = 49 × 5/8 × 5 = 245/40 - Subtract the two like fractions:
168/40 - 245/40 = 168 - 245/40 = -77/40
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