Add 10/21 and 90/32
1st number: 10/21, 2nd number: 2 26/32
10/21 + 90/32 is 1105/336.
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,
10/21 = 10 × 32/21 × 32 = 320/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
90/32 = 90 × 21/32 × 21 = 1890/672 - Add the two like fractions:
320/672 + 1890/672 = 320 + 1890/672 = 2210/672 - 2210/672 simplified gives 1105/336
- So, 10/21 + 90/32 = 1105/336
In mixed form: 397/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+90/32 10/42+90/32 10/21+90/64 30/21+90/32 10/63+90/32 10/21+90/96 50/21+90/32 70/21+90/32