Add 6/2 and 45/21
1st number: 3 0/2, 2nd number: 2 3/21
6/2 + 45/21 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
6/2 = 6 × 21/2 × 21 = 126/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
45/21 = 45 × 2/21 × 2 = 90/42 - Add the two like fractions:
126/42 + 90/42 = 126 + 90/42 = 216/42 - 216/42 simplified gives 36/7
- So, 6/2 + 45/21 = 36/7
In mixed form: 51/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/2+45/21 6/2+90/21 6/4+45/21 6/2+45/42 18/2+45/21 6/2+45/63 30/2+45/21 6/10+45/21 42/2+45/21 6/14+45/21