Add 49/63 and 42/49
49/63 + 42/49 is 103/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
49/63 = 49 × 7/63 × 7 = 343/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
42/49 = 42 × 9/49 × 9 = 378/441 - Add the two like fractions:
343/441 + 378/441 = 343 + 378/441 = 721/441 - 721/441 simplified gives 103/63
- So, 49/63 + 42/49 = 103/63
In mixed form: 140/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/63+42/49 49/63+84/49 49/63+42/98