Add 28/63 and 25/12
1st number: 28/63, 2nd number: 2 1/12
28/63 + 25/12 is 91/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
28/63 = 28 × 4/63 × 4 = 112/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
25/12 = 25 × 21/12 × 21 = 525/252 - Add the two like fractions:
112/252 + 525/252 = 112 + 525/252 = 637/252 - 637/252 simplified gives 91/36
- So, 28/63 + 25/12 = 91/36
In mixed form: 219/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+25/12 28/63+50/12 28/63+25/24 84/63+25/12 28/63+75/12 28/63+25/36 28/63+25/60 28/63+25/84