Subtract 80/63 from 84/4
1st number: 21 0/4, 2nd number: 1 17/63
84/4 - 80/63 is 1243/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
84/4 = 84 × 63/4 × 63 = 5292/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
80/63 = 80 × 4/63 × 4 = 320/252 - Subtract the two like fractions:
5292/252 - 320/252 = 5292 - 320/252 = 4972/252 - After reducing the fraction, the answer is 1243/63
- In mixed form: 1946/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8-80/63 84/12-80/63 84/20-80/63 84/28-80/63