Add 27/49 and 40/63
27/49 + 40/63 is 523/441.
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,
40/63 = 40 × 7/63 × 7 = 280/441 - Add the two like fractions:
243/441 + 280/441 = 243 + 280/441 = 523/441 - So, 27/49 + 40/63 = 523/441
In mixed form: 182/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/49+40/63 27/49+80/63 27/98+40/63 81/49+40/63