Subtract 18/5 from 63/4
1st number: 15 3/4, 2nd number: 3 3/5
63/4 - 18/5 is 243/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
18/5 = 18 × 4/5 × 4 = 72/20 - Subtract the two like fractions:
315/20 - 72/20 = 315 - 72/20 = 243/20 - In mixed form: 123/20
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