Add 36/8 and 42/20
1st number: 4 4/8, 2nd number: 2 2/20
36/8 + 42/20 is 33/5.
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,
42/20 = 42 × 2/20 × 2 = 84/40 - Add the two like fractions:
180/40 + 84/40 = 180 + 84/40 = 264/40 - 264/40 simplified gives 33/5
- So, 36/8 + 42/20 = 33/5
In mixed form: 63/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8+42/20 36/8+84/20 36/16+42/20 36/8+42/40 36/24+42/20 36/8+42/60 36/40+42/20 36/56+42/20