Add 14/42 and 45/30
1st number: 14/42, 2nd number: 1 15/30
14/42 + 45/30 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210 - Add the two like fractions:
70/210 + 315/210 = 70 + 315/210 = 385/210 - 385/210 simplified gives 11/6
- So, 14/42 + 45/30 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/42+45/30 14/42+90/30 14/84+45/30 14/42+45/60 14/42+45/90 70/42+45/30 98/42+45/30