Subtract 3/80 from 84/63
1st number: 1 21/63, 2nd number: 3/80
84/63 - 3/80 is 311/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
84/63 = 84 × 80/63 × 80 = 6720/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
3/80 = 3 × 63/80 × 63 = 189/5040 - Subtract the two like fractions:
6720/5040 - 189/5040 = 6720 - 189/5040 = 6531/5040 - After reducing the fraction, the answer is 311/240
- In mixed form: 171/240
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