Add 15/25 and 8/7
1st number: 15/25, 2nd number: 1 1/7
15/25 + 8/7 is 61/35.
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,
15/25 = 15 × 7/25 × 7 = 105/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
8/7 = 8 × 25/7 × 25 = 200/175 - Add the two like fractions:
105/175 + 200/175 = 105 + 200/175 = 305/175 - 305/175 simplified gives 61/35
- So, 15/25 + 8/7 = 61/35
In mixed form: 126/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+8/7 15/25+16/7 15/50+8/7 15/25+8/14 45/25+8/7 15/25+24/7 15/75+8/7 15/25+8/21 75/25+8/7 15/25+40/7 15/25+8/35 15/25+56/7 15/25+8/49