Add 21/6 and 35/70
1st number: 3 3/6, 2nd number: 35/70
21/6 + 35/70 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
35/70 = 35 × 3/70 × 3 = 105/210 - Add the two like fractions:
735/210 + 105/210 = 735 + 105/210 = 840/210 - 840/210 simplified gives 4/1
- So, 21/6 + 35/70 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+35/70 21/12+35/70 63/6+35/70 21/18+35/70 21/30+35/70 21/42+35/70