Add 36/21 and 20/32
1st number: 1 15/21, 2nd number: 20/32
36/21 + 20/32 is 131/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
36/21 = 36 × 32/21 × 32 = 1152/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
20/32 = 20 × 21/32 × 21 = 420/672 - Add the two like fractions:
1152/672 + 420/672 = 1152 + 420/672 = 1572/672 - 1572/672 simplified gives 131/56
- So, 36/21 + 20/32 = 131/56
In mixed form: 219/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+20/32 36/21+40/32 36/42+20/32 36/21+20/64 36/21+60/32 36/63+20/32 36/21+20/96