Add 15/25 and 60/64
15/25 + 60/64 is 123/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 64 is 1600
Next, find the equivalent fraction of both fractional numbers with denominator 1600 - For the 1st fraction, since 25 × 64 = 1600,
15/25 = 15 × 64/25 × 64 = 960/1600 - Likewise, for the 2nd fraction, since 64 × 25 = 1600,
60/64 = 60 × 25/64 × 25 = 1500/1600 - Add the two like fractions:
960/1600 + 1500/1600 = 960 + 1500/1600 = 2460/1600 - 2460/1600 simplified gives 123/80
- So, 15/25 + 60/64 = 123/80
In mixed form: 143/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+60/64 15/50+60/64 45/25+60/64 15/75+60/64 75/25+60/64