Add 40/21 and 10/32
1st number: 1 19/21, 2nd number: 10/32
40/21 + 10/32 is 745/336.
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,
40/21 = 40 × 32/21 × 32 = 1280/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
10/32 = 10 × 21/32 × 21 = 210/672 - Add the two like fractions:
1280/672 + 210/672 = 1280 + 210/672 = 1490/672 - 1490/672 simplified gives 745/336
- So, 40/21 + 10/32 = 745/336
In mixed form: 273/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21+10/32 40/21+20/32 40/42+10/32 40/21+10/64 40/21+30/32 40/63+10/32 40/21+10/96 40/21+50/32 40/21+70/32