Add 10/21 and 32/42
10/21 + 32/42 is 26/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
10/21 = 10 × 2/21 × 2 = 20/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
32/42 = 32 × 1/42 × 1 = 32/42 - Add the two like fractions:
20/42 + 32/42 = 20 + 32/42 = 52/42 - 52/42 simplified gives 26/21
- So, 10/21 + 32/42 = 26/21
In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+32/42 10/21+64/42 10/42+32/42 10/21+32/84 30/21+32/42 10/21+96/42 10/63+32/42 50/21+32/42 70/21+32/42