Subtract 84/63 from 28/4
1st number: 7 0/4, 2nd number: 1 21/63
28/4 - 84/63 is 17/3.
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,
28/4 = 28 × 63/4 × 63 = 1764/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
84/63 = 84 × 4/63 × 4 = 336/252 - Subtract the two like fractions:
1764/252 - 336/252 = 1764 - 336/252 = 1428/252 - After reducing the fraction, the answer is 17/3
- In mixed form: 52/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4-84/63 28/8-84/63 84/4-84/63 28/12-84/63 28/20-84/63