Add 32/21 and 45/5
1st number: 1 11/21, 2nd number: 9 0/5
32/21 + 45/5 is 221/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
32/21 = 32 × 5/21 × 5 = 160/105 - Likewise, for the 2nd fraction, since 5 × 21 = 105,
45/5 = 45 × 21/5 × 21 = 945/105 - Add the two like fractions:
160/105 + 945/105 = 160 + 945/105 = 1105/105 - 1105/105 simplified gives 221/21
- So, 32/21 + 45/5 = 221/21
In mixed form: 1011/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/21+45/5 32/21+90/5 32/42+45/5 32/21+45/10 96/21+45/5 32/63+45/5 32/21+45/15 32/21+45/25 32/21+45/35