Add 15/25 and 8/30
15/25 + 8/30 is 13/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
15/25 = 15 × 6/25 × 6 = 90/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
8/30 = 8 × 5/30 × 5 = 40/150 - Add the two like fractions:
90/150 + 40/150 = 90 + 40/150 = 130/150 - 130/150 simplified gives 13/15
- So, 15/25 + 8/30 = 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+8/30 15/25+16/30 15/50+8/30 15/25+8/60 45/25+8/30 15/25+24/30 15/75+8/30 15/25+8/90 75/25+8/30 15/25+40/30 15/25+56/30