Add 6/70 and 9/42
6/70 + 9/42 is 3/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
6/70 = 6 × 3/70 × 3 = 18/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Add the two like fractions:
18/210 + 45/210 = 18 + 45/210 = 63/210 - 63/210 simplified gives 3/10
- So, 6/70 + 9/42 = 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70+9/42 6/70+18/42 6/70+9/84 18/70+9/42 6/70+27/42 30/70+9/42 6/70+45/42 42/70+9/42 6/70+63/42