Subtract 40/50 from 98/80
1st number: 1 18/80, 2nd number: 40/50
98/80 - 40/50 is 17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
98/80 = 98 × 5/80 × 5 = 490/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
40/50 = 40 × 8/50 × 8 = 320/400 - Subtract the two like fractions:
490/400 - 320/400 = 490 - 320/400 = 170/400 - After reducing the fraction, the answer is 17/40
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