Add 1/15 and 25/80
1/15 + 25/80 is 91/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
1/15 = 1 × 16/15 × 16 = 16/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
25/80 = 25 × 3/80 × 3 = 75/240 - Add the two like fractions:
16/240 + 75/240 = 16 + 75/240 = 91/240 - So, 1/15 + 25/80 = 91/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+25/80 1/15+50/80 1/30+25/80 3/15+25/80 1/15+75/80 1/45+25/80 5/15+25/80 1/75+25/80 7/15+25/80