Add 28/10 and 36/90
1st number: 2 8/10, 2nd number: 36/90
28/10 + 36/90 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
36/90 = 36 × 1/90 × 1 = 36/90 - Add the two like fractions:
252/90 + 36/90 = 252 + 36/90 = 288/90 - 288/90 simplified gives 16/5
- So, 28/10 + 36/90 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+36/90 28/10+72/90 28/20+36/90 84/10+36/90 28/30+36/90 28/50+36/90 28/70+36/90