Add 4/42 and 45/3
1st number: 4/42, 2nd number: 15 0/3
4/42 + 45/3 is 317/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
4/42 = 4 × 1/42 × 1 = 4/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
45/3 = 45 × 14/3 × 14 = 630/42 - Add the two like fractions:
4/42 + 630/42 = 4 + 630/42 = 634/42 - 634/42 simplified gives 317/21
- So, 4/42 + 45/3 = 317/21
In mixed form: 152/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42+45/3 4/42+90/3 4/84+45/3 4/42+45/6 12/42+45/3 4/42+45/9 20/42+45/3 4/42+45/15 28/42+45/3 4/42+45/21