Add 25/15 and 1/80
1st number: 1 10/15, 2nd number: 1/80
25/15 + 1/80 is 403/240.
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,
1/80 = 1 × 3/80 × 3 = 3/240 - Add the two like fractions:
400/240 + 3/240 = 400 + 3/240 = 403/240 - So, 25/15 + 1/80 = 403/240
In mixed form: 1163/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+1/80 25/15+2/80 25/30+1/80 75/15+1/80 25/15+3/80 25/45+1/80 25/15+5/80 25/75+1/80 25/15+7/80