Add 18/49 and 15/70
18/49 + 15/70 is 57/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
18/49 = 18 × 10/49 × 10 = 180/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
15/70 = 15 × 7/70 × 7 = 105/490 - Add the two like fractions:
180/490 + 105/490 = 180 + 105/490 = 285/490 - 285/490 simplified gives 57/98
- So, 18/49 + 15/70 = 57/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/49+15/70 18/49+30/70 18/98+15/70 54/49+15/70 18/49+45/70 90/49+15/70 18/49+75/70