Add 15/35 and 7/18
15/35 + 7/18 is 103/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
15/35 = 15 × 18/35 × 18 = 270/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
7/18 = 7 × 35/18 × 35 = 245/630 - Add the two like fractions:
270/630 + 245/630 = 270 + 245/630 = 515/630 - 515/630 simplified gives 103/126
- So, 15/35 + 7/18 = 103/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35+7/18 15/35+14/18 15/70+7/18 15/35+7/36 45/35+7/18 15/35+21/18 15/35+7/54 75/35+7/18 15/35+35/18 15/35+7/90 15/35+49/18