Subtract 30/40 from 63/18
1st number: 3 9/18, 2nd number: 30/40
63/18 - 30/40 is 11/4.
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,
63/18 = 63 × 20/18 × 20 = 1260/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
30/40 = 30 × 9/40 × 9 = 270/360 - Subtract the two like fractions:
1260/360 - 270/360 = 1260 - 270/360 = 990/360 - After reducing the fraction, the answer is 11/4
- In mixed form: 23/4
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