Add 10/25 and 81/70
1st number: 10/25, 2nd number: 1 11/70
10/25 + 81/70 is 109/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
10/25 = 10 × 14/25 × 14 = 140/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
81/70 = 81 × 5/70 × 5 = 405/350 - Add the two like fractions:
140/350 + 405/350 = 140 + 405/350 = 545/350 - 545/350 simplified gives 109/70
- So, 10/25 + 81/70 = 109/70
In mixed form: 139/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25+81/70 10/50+81/70 30/25+81/70 10/75+81/70 50/25+81/70 70/25+81/70