Add 9/10 and 6/42
9/10 + 6/42 is 73/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
9/10 = 9 × 21/10 × 21 = 189/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210 - Add the two like fractions:
189/210 + 30/210 = 189 + 30/210 = 219/210 - 219/210 simplified gives 73/70
- So, 9/10 + 6/42 = 73/70
In mixed form: 13/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+6/42 9/10+12/42 9/20+6/42 9/10+6/84 27/10+6/42 9/10+18/42 9/30+6/42 45/10+6/42 9/10+30/42 9/50+6/42 63/10+6/42 9/70+6/42