Add 9/3 and 12/42
1st number: 3 0/3, 2nd number: 12/42
9/3 + 12/42 is 23/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
9/3 = 9 × 14/3 × 14 = 126/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Add the two like fractions:
126/42 + 12/42 = 126 + 12/42 = 138/42 - 138/42 simplified gives 23/7
- So, 9/3 + 12/42 = 23/7
In mixed form: 32/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/3+12/42 9/3+24/42 9/6+12/42 9/3+12/84 27/3+12/42 9/3+36/42 45/3+12/42 9/3+60/42 9/15+12/42 63/3+12/42 9/3+84/42 9/21+12/42