Add 96/84 and 15/63
1st number: 1 12/84, 2nd number: 15/63
96/84 + 15/63 is 29/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
96/84 = 96 × 3/84 × 3 = 288/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Add the two like fractions:
288/252 + 60/252 = 288 + 60/252 = 348/252 - 348/252 simplified gives 29/21
- So, 96/84 + 15/63 = 29/21
In mixed form: 18/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/84+30/63 96/84+45/63 96/84+75/63