Add 27/63 and 15/7
1st number: 27/63, 2nd number: 2 1/7
27/63 + 15/7 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
27/63 = 27 × 1/63 × 1 = 27/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
15/7 = 15 × 9/7 × 9 = 135/63 - Add the two like fractions:
27/63 + 135/63 = 27 + 135/63 = 162/63 - 162/63 simplified gives 18/7
- So, 27/63 + 15/7 = 18/7
In mixed form: 24/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+15/7 27/63+30/7 27/63+15/14 81/63+15/7 27/63+45/7 27/63+15/21 27/63+75/7 27/63+15/35 27/63+15/49