Subtract 4/90 from 49/40
1st number: 1 9/40, 2nd number: 4/90
49/40 - 4/90 is 85/72.
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,
49/40 = 49 × 9/40 × 9 = 441/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
4/90 = 4 × 4/90 × 4 = 16/360 - Subtract the two like fractions:
441/360 - 16/360 = 441 - 16/360 = 425/360 - After reducing the fraction, the answer is 85/72
- In mixed form: 113/72
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