Add 3/15 and 25/16
1st number: 3/15, 2nd number: 1 9/16
3/15 + 25/16 is 141/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
3/15 = 3 × 16/15 × 16 = 48/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
25/16 = 25 × 15/16 × 15 = 375/240 - Add the two like fractions:
48/240 + 375/240 = 48 + 375/240 = 423/240 - 423/240 simplified gives 141/80
- So, 3/15 + 25/16 = 141/80
In mixed form: 161/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+25/16 3/15+50/16 3/30+25/16 3/15+25/32 9/15+25/16 3/15+75/16 3/45+25/16 3/15+25/48 3/75+25/16 3/15+25/80 21/15+25/16