Add 28/40 and 32/10
1st number: 28/40, 2nd number: 3 2/10
28/40 + 32/10 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
32/10 = 32 × 4/10 × 4 = 128/40 - Add the two like fractions:
28/40 + 128/40 = 28 + 128/40 = 156/40 - 156/40 simplified gives 39/10
- So, 28/40 + 32/10 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+32/10 28/40+64/10 28/80+32/10 28/40+32/20 84/40+32/10 28/40+96/10 28/40+32/30 28/40+32/50 28/40+32/70