Add 27/49 and 56/63
27/49 + 56/63 is 635/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
27/49 = 27 × 9/49 × 9 = 243/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
56/63 = 56 × 7/63 × 7 = 392/441 - Add the two like fractions:
243/441 + 392/441 = 243 + 392/441 = 635/441 - So, 27/49 + 56/63 = 635/441
In mixed form: 1194/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/49+56/63 27/98+56/63 81/49+56/63