Add 36/8 and 21/20
1st number: 4 4/8, 2nd number: 1 1/20
36/8 + 21/20 is 111/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
36/8 = 36 × 5/8 × 5 = 180/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
21/20 = 21 × 2/20 × 2 = 42/40 - Add the two like fractions:
180/40 + 42/40 = 180 + 42/40 = 222/40 - 222/40 simplified gives 111/20
- So, 36/8 + 21/20 = 111/20
In mixed form: 511/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8+21/20 36/8+42/20 36/16+21/20 36/8+21/40 36/8+63/20 36/24+21/20 36/8+21/60 36/40+21/20 36/56+21/20