Add 4/49 and 70/20
1st number: 4/49, 2nd number: 3 10/20
4/49 + 70/20 is 351/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
4/49 = 4 × 20/49 × 20 = 80/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
70/20 = 70 × 49/20 × 49 = 3430/980 - Add the two like fractions:
80/980 + 3430/980 = 80 + 3430/980 = 3510/980 - 3510/980 simplified gives 351/98
- So, 4/49 + 70/20 = 351/98
In mixed form: 357/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49+70/20 4/98+70/20 4/49+70/40 12/49+70/20 4/49+70/60 20/49+70/20 28/49+70/20