Add 36/6 and 42/21
1st number: 6 0/6, 2nd number: 2 0/21
36/6 + 42/21 is 8/1.
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,
36/6 = 36 × 7/6 × 7 = 252/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
42/21 = 42 × 2/21 × 2 = 84/42 - Add the two like fractions:
252/42 + 84/42 = 252 + 84/42 = 336/42 - 336/42 simplified gives 8/1
- So, 36/6 + 42/21 = 8/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+42/21 36/6+84/21 36/12+42/21 36/18+42/21 36/6+42/63 36/30+42/21 36/42+42/21