Add 25/15 and 7/80
1st number: 1 10/15, 2nd number: 7/80
25/15 + 7/80 is 421/240.
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,
25/15 = 25 × 16/15 × 16 = 400/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240 - Add the two like fractions:
400/240 + 21/240 = 400 + 21/240 = 421/240 - So, 25/15 + 7/80 = 421/240
In mixed form: 1181/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+7/80 25/15+14/80 25/30+7/80 75/15+7/80 25/15+21/80 25/45+7/80 25/15+35/80 25/75+7/80 25/15+49/80