Add 40/98 and 14/21
40/98 + 14/21 is 158/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
40/98 = 40 × 3/98 × 3 = 120/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
14/21 = 14 × 14/21 × 14 = 196/294 - Add the two like fractions:
120/294 + 196/294 = 120 + 196/294 = 316/294 - 316/294 simplified gives 158/147
- So, 40/98 + 14/21 = 158/147
In mixed form: 111/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98+14/21 40/98+28/21 40/98+14/42 40/98+42/21 40/98+14/63 40/98+70/21 40/98+98/21