Add 18/63 and 30/49
18/63 + 30/49 is 44/49.
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,
18/63 = 18 × 7/63 × 7 = 126/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
30/49 = 30 × 9/49 × 9 = 270/441 - Add the two like fractions:
126/441 + 270/441 = 126 + 270/441 = 396/441 - 396/441 simplified gives 44/49
- So, 18/63 + 30/49 = 44/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+30/49 18/63+60/49 18/63+30/98 54/63+30/49 18/63+90/49 90/63+30/49