Add 3/15 and 8/16
3/15 + 8/16 is 7/10.
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,
8/16 = 8 × 15/16 × 15 = 120/240 - Add the two like fractions:
48/240 + 120/240 = 48 + 120/240 = 168/240 - 168/240 simplified gives 7/10
- So, 3/15 + 8/16 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+8/16 3/30+8/16 3/15+8/32 9/15+8/16 3/15+24/16 3/45+8/16 3/15+8/48 3/15+40/16 3/75+8/16 3/15+8/80 21/15+8/16 3/15+56/16