Add 28/35 and 12/16
28/35 + 12/16 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
28/35 = 28 × 16/35 × 16 = 448/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
12/16 = 12 × 35/16 × 35 = 420/560 - Add the two like fractions:
448/560 + 420/560 = 448 + 420/560 = 868/560 - 868/560 simplified gives 31/20
- So, 28/35 + 12/16 = 31/20
In mixed form: 111/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35+12/16 28/35+24/16 28/70+12/16 28/35+12/32 84/35+12/16 28/35+36/16 28/35+12/48 28/35+60/16 28/35+12/80 28/35+84/16