Add 27/14 and 63/15
1st number: 1 13/14, 2nd number: 4 3/15
27/14 + 63/15 is 429/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
27/14 = 27 × 15/14 × 15 = 405/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
63/15 = 63 × 14/15 × 14 = 882/210 - Add the two like fractions:
405/210 + 882/210 = 405 + 882/210 = 1287/210 - 1287/210 simplified gives 429/70
- So, 27/14 + 63/15 = 429/70
In mixed form: 69/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+63/15 27/28+63/15 27/14+63/30 81/14+63/15 27/42+63/15 27/14+63/45 27/70+63/15 27/14+63/75 27/98+63/15