Add 63/15 and 28/16
1st number: 4 3/15, 2nd number: 1 12/16
63/15 + 28/16 is 119/20.
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,
63/15 = 63 × 16/15 × 16 = 1008/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
28/16 = 28 × 15/16 × 15 = 420/240 - Add the two like fractions:
1008/240 + 420/240 = 1008 + 420/240 = 1428/240 - 1428/240 simplified gives 119/20
- So, 63/15 + 28/16 = 119/20
In mixed form: 519/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+56/16 63/30+28/16 63/15+28/32 63/15+84/16 63/45+28/16 63/15+28/48 63/75+28/16 63/15+28/80