Add 15/70 and 50/49
1st number: 15/70, 2nd number: 1 1/49
15/70 + 50/49 is 121/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
15/70 = 15 × 7/70 × 7 = 105/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
50/49 = 50 × 10/49 × 10 = 500/490 - Add the two like fractions:
105/490 + 500/490 = 105 + 500/490 = 605/490 - 605/490 simplified gives 121/98
- So, 15/70 + 50/49 = 121/98
In mixed form: 123/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70+50/49 15/70+50/98 45/70+50/49 75/70+50/49