Add 1/21 and 4/32
1/21 + 4/32 is 29/168.
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,
1/21 = 1 × 32/21 × 32 = 32/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
4/32 = 4 × 21/32 × 21 = 84/672 - Add the two like fractions:
32/672 + 84/672 = 32 + 84/672 = 116/672 - 116/672 simplified gives 29/168
- So, 1/21 + 4/32 = 29/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+4/32 1/21+8/32 1/42+4/32 1/21+4/64 3/21+4/32 1/21+12/32 1/63+4/32 1/21+4/96 5/21+4/32 1/21+20/32 7/21+4/32 1/21+28/32