Subtract 8/63 from 21/5
1st number: 4 1/5, 2nd number: 8/63
21/5 - 8/63 is 1283/315.
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,
8/63 = 8 × 5/63 × 5 = 40/315 - Subtract the two like fractions:
1323/315 - 40/315 = 1323 - 40/315 = 1283/315 - In mixed form: 423/315
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