Add 20/8 and 70/98
1st number: 2 4/8, 2nd number: 70/98
20/8 + 70/98 is 45/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
20/8 = 20 × 49/8 × 49 = 980/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
70/98 = 70 × 4/98 × 4 = 280/392 - Add the two like fractions:
980/392 + 280/392 = 980 + 280/392 = 1260/392 - 1260/392 simplified gives 45/14
- So, 20/8 + 70/98 = 45/14
In mixed form: 33/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+70/98 20/16+70/98 60/8+70/98 20/24+70/98 20/40+70/98 20/56+70/98