Add 28/14 and 16/80
1st number: 2 0/14, 2nd number: 16/80
28/14 + 16/80 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
28/14 = 28 × 40/14 × 40 = 1120/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
16/80 = 16 × 7/80 × 7 = 112/560 - Add the two like fractions:
1120/560 + 112/560 = 1120 + 112/560 = 1232/560 - 1232/560 simplified gives 11/5
- So, 28/14 + 16/80 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+16/80 28/14+32/80 84/14+16/80 28/14+48/80 28/42+16/80 28/70+16/80 28/98+16/80