Add 30/25 and 15/7
1st number: 1 5/25, 2nd number: 2 1/7
30/25 + 15/7 is 117/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
30/25 = 30 × 7/25 × 7 = 210/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
15/7 = 15 × 25/7 × 25 = 375/175 - Add the two like fractions:
210/175 + 375/175 = 210 + 375/175 = 585/175 - 585/175 simplified gives 117/35
- So, 30/25 + 15/7 = 117/35
In mixed form: 312/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+15/7 30/25+30/7 30/50+15/7 30/25+15/14 90/25+15/7 30/25+45/7 30/75+15/7 30/25+15/21 30/25+75/7 30/25+15/35 30/25+15/49