Add 12/35 and 72/16, Solve 12/35 + 4 8/16 as a fraction

Add 12/35 and 72/16

1^st number: 12/35, 2^nd number: 4 8/16

12/35 + 72/16 is 339/70.

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,
12/35 = 12 × 16/35 × 16 = 192/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
72/16 = 72 × 35/16 × 35 = 2520/560
Add the two like fractions:
192/560 + 2520/560 = 192 + 2520/560 = 2712/560
2712/560 simplified gives 339/70
So, 12/35 + 72/16 = 339/70
In mixed form: 459/70

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad