Add 70/14 and 28/49
1st number: 5 0/14, 2nd number: 28/49
70/14 + 28/49 is 39/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
70/14 = 70 × 7/14 × 7 = 490/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
28/49 = 28 × 2/49 × 2 = 56/98 - Add the two like fractions:
490/98 + 56/98 = 490 + 56/98 = 546/98 - 546/98 simplified gives 39/7
- So, 70/14 + 28/49 = 39/7
In mixed form: 54/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+56/49 70/28+28/49 70/14+28/98 70/14+84/49 70/42+28/49 70/98+28/49