Subtract 8/90 from 50/40
1st number: 1 10/40, 2nd number: 8/90
50/40 - 8/90 is 209/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
50/40 = 50 × 9/40 × 9 = 450/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
8/90 = 8 × 4/90 × 4 = 32/360 - Subtract the two like fractions:
450/360 - 32/360 = 450 - 32/360 = 418/360 - After reducing the fraction, the answer is 209/180
- In mixed form: 129/180
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