Add 27/63 and 10/12
27/63 + 10/12 is 53/42.
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,
27/63 = 27 × 4/63 × 4 = 108/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
10/12 = 10 × 21/12 × 21 = 210/252 - Add the two like fractions:
108/252 + 210/252 = 108 + 210/252 = 318/252 - 318/252 simplified gives 53/42
- So, 27/63 + 10/12 = 53/42
In mixed form: 111/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+10/12 27/63+20/12 27/63+10/24 81/63+10/12 27/63+30/12 27/63+10/36 27/63+50/12 27/63+10/60 27/63+70/12 27/63+10/84