Add 70/50 and 28/70
1st number: 1 20/50, 2nd number: 28/70
70/50 + 28/70 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
70/50 = 70 × 7/50 × 7 = 490/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
28/70 = 28 × 5/70 × 5 = 140/350 - Add the two like fractions:
490/350 + 140/350 = 490 + 140/350 = 630/350 - 630/350 simplified gives 9/5
- So, 70/50 + 28/70 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+56/70 70/50+84/70