Add 32/20 and 6/21
1st number: 1 12/20, 2nd number: 6/21
32/20 + 6/21 is 66/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
32/20 = 32 × 21/20 × 21 = 672/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
6/21 = 6 × 20/21 × 20 = 120/420 - Add the two like fractions:
672/420 + 120/420 = 672 + 120/420 = 792/420 - 792/420 simplified gives 66/35
- So, 32/20 + 6/21 = 66/35
In mixed form: 131/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/20+6/21 32/20+12/21 32/40+6/21 32/20+6/42 96/20+6/21 32/20+18/21 32/60+6/21 32/20+6/63 32/20+30/21 32/20+42/21