Subtract 45/40 from 63/3
1st number: 21 0/3, 2nd number: 1 5/40
63/3 - 45/40 is 159/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
63/3 = 63 × 40/3 × 40 = 2520/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
45/40 = 45 × 3/40 × 3 = 135/120 - Subtract the two like fractions:
2520/120 - 135/120 = 2520 - 135/120 = 2385/120 - After reducing the fraction, the answer is 159/8
- In mixed form: 197/8
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