Add 25/6 and 42/21
1st number: 4 1/6, 2nd number: 2 0/21
25/6 + 42/21 is 37/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
25/6 = 25 × 7/6 × 7 = 175/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
42/21 = 42 × 2/21 × 2 = 84/42 - Add the two like fractions:
175/42 + 84/42 = 175 + 84/42 = 259/42 - 259/42 simplified gives 37/6
- So, 25/6 + 42/21 = 37/6
In mixed form: 61/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/6+42/21 25/6+84/21 25/12+42/21 75/6+42/21 25/18+42/21 25/6+42/63 25/30+42/21 25/42+42/21