Add 7/21 and 75/6
1st number: 7/21, 2nd number: 12 3/6
7/21 + 75/6 is 77/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
7/21 = 7 × 2/21 × 2 = 14/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
75/6 = 75 × 7/6 × 7 = 525/42 - Add the two like fractions:
14/42 + 525/42 = 14 + 525/42 = 539/42 - 539/42 simplified gives 77/6
- So, 7/21 + 75/6 = 77/6
In mixed form: 125/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21+75/6 7/42+75/6 7/21+75/12 7/63+75/6 7/21+75/18 35/21+75/6 7/21+75/30 49/21+75/6 7/21+75/42