Subtract 4/40 from 28/18
1st number: 1 10/18, 2nd number: 4/40
28/18 - 4/40 is 131/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
28/18 = 28 × 20/18 × 20 = 560/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Subtract the two like fractions:
560/360 - 36/360 = 560 - 36/360 = 524/360 - After reducing the fraction, the answer is 131/90
- In mixed form: 141/90
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