Add 12/21 and 3/32
12/21 + 3/32 is 149/224.
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,
12/21 = 12 × 32/21 × 32 = 384/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
3/32 = 3 × 21/32 × 21 = 63/672 - Add the two like fractions:
384/672 + 63/672 = 384 + 63/672 = 447/672 - 447/672 simplified gives 149/224
- So, 12/21 + 3/32 = 149/224
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21+3/32 12/21+6/32 12/42+3/32 12/21+3/64 36/21+3/32 12/21+9/32 12/63+3/32 12/21+3/96 60/21+3/32 12/21+15/32 84/21+3/32 12/21+21/32