Add 15/27 and 42/98
15/27 + 42/98 is 62/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 98 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 27 × 98 = 2646,
15/27 = 15 × 98/27 × 98 = 1470/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
42/98 = 42 × 27/98 × 27 = 1134/2646 - Add the two like fractions:
1470/2646 + 1134/2646 = 1470 + 1134/2646 = 2604/2646 - 2604/2646 simplified gives 62/63
- So, 15/27 + 42/98 = 62/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/27+42/98 15/27+84/98 15/54+42/98 45/27+42/98 15/81+42/98 75/27+42/98