Add 10/5 and 15/70
1st number: 2 0/5, 2nd number: 15/70
10/5 + 15/70 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
10/5 = 10 × 14/5 × 14 = 140/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
15/70 = 15 × 1/70 × 1 = 15/70 - Add the two like fractions:
140/70 + 15/70 = 140 + 15/70 = 155/70 - 155/70 simplified gives 31/14
- So, 10/5 + 15/70 = 31/14
In mixed form: 23/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5+15/70 10/5+30/70 30/5+15/70 10/5+45/70 10/15+15/70 50/5+15/70 10/5+75/70 10/25+15/70 70/5+15/70 10/35+15/70