Add 28/7 and 40/16
1st number: 4 0/7, 2nd number: 2 8/16
28/7 + 40/16 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
28/7 = 28 × 16/7 × 16 = 448/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
40/16 = 40 × 7/16 × 7 = 280/112 - Add the two like fractions:
448/112 + 280/112 = 448 + 280/112 = 728/112 - 728/112 simplified gives 13/2
- So, 28/7 + 40/16 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+40/16 28/7+80/16 28/14+40/16 28/7+40/32 84/7+40/16 28/21+40/16 28/7+40/48 28/35+40/16 28/7+40/80 28/49+40/16