Add 7/98 and 15/42
7/98 + 15/42 is 3/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
7/98 = 7 × 3/98 × 3 = 21/294 - Likewise, for the 2nd fraction, since 42 × 7 = 294,
15/42 = 15 × 7/42 × 7 = 105/294 - Add the two like fractions:
21/294 + 105/294 = 21 + 105/294 = 126/294 - 126/294 simplified gives 3/7
- So, 7/98 + 15/42 = 3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/98+15/42 7/98+30/42 7/98+15/84 21/98+15/42 7/98+45/42 35/98+15/42 7/98+75/42 49/98+15/42