Add 28/4 and 8/10
1st number: 7 0/4, 2nd number: 8/10
28/4 + 8/10 is 39/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
28/4 = 28 × 5/4 × 5 = 140/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
8/10 = 8 × 2/10 × 2 = 16/20 - Add the two like fractions:
140/20 + 16/20 = 140 + 16/20 = 156/20 - 156/20 simplified gives 39/5
- So, 28/4 + 8/10 = 39/5
In mixed form: 74/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+8/10 28/4+16/10 28/8+8/10 28/4+8/20 84/4+8/10 28/4+24/10 28/12+8/10 28/4+8/30 28/4+40/10 28/20+8/10 28/4+8/50 28/4+56/10 28/4+8/70