Add 36/40 and 21/10
1st number: 36/40, 2nd number: 2 1/10
36/40 + 21/10 is 3/1.
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,
36/40 = 36 × 1/40 × 1 = 36/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
21/10 = 21 × 4/10 × 4 = 84/40 - Add the two like fractions:
36/40 + 84/40 = 36 + 84/40 = 120/40 - 120/40 simplified gives 3/1
- So, 36/40 + 21/10 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+21/10 36/40+42/10 36/80+21/10 36/40+21/20 36/40+63/10 36/40+21/30 36/40+21/50 36/40+21/70