Subtract 40/63 from 21/5
1st number: 4 1/5, 2nd number: 40/63
21/5 - 40/63 is 1123/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
21/5 = 21 × 63/5 × 63 = 1323/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
40/63 = 40 × 5/63 × 5 = 200/315 - Subtract the two like fractions:
1323/315 - 200/315 = 1323 - 200/315 = 1123/315 - In mixed form: 3178/315
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