Add 9/14 and 45/42
1st number: 9/14, 2nd number: 1 3/42
9/14 + 45/42 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
9/14 = 9 × 3/14 × 3 = 27/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
45/42 = 45 × 1/42 × 1 = 45/42 - Add the two like fractions:
27/42 + 45/42 = 27 + 45/42 = 72/42 - 72/42 simplified gives 12/7
- So, 9/14 + 45/42 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14+45/42 9/14+90/42 9/28+45/42 9/14+45/84 27/14+45/42 9/42+45/42 45/14+45/42 9/70+45/42 63/14+45/42 9/98+45/42