Add 3/21 and 12/32
3/21 + 12/32 is 29/56.
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,
3/21 = 3 × 32/21 × 32 = 96/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
12/32 = 12 × 21/32 × 21 = 252/672 - Add the two like fractions:
96/672 + 252/672 = 96 + 252/672 = 348/672 - 348/672 simplified gives 29/56
- So, 3/21 + 12/32 = 29/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/21+12/32 3/21+24/32 3/42+12/32 3/21+12/64 9/21+12/32 3/21+36/32 3/63+12/32 3/21+12/96 15/21+12/32 3/21+60/32 3/21+84/32