Add 12/16 and 56/70
12/16 + 56/70 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
12/16 = 12 × 35/16 × 35 = 420/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
56/70 = 56 × 8/70 × 8 = 448/560 - Add the two like fractions:
420/560 + 448/560 = 420 + 448/560 = 868/560 - 868/560 simplified gives 31/20
- So, 12/16 + 56/70 = 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: 24/16+56/70 12/32+56/70 36/16+56/70 12/48+56/70 60/16+56/70 12/80+56/70 84/16+56/70