Add 45/4 and 3/42
1st number: 11 1/4, 2nd number: 3/42
45/4 + 3/42 is 317/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
45/4 = 45 × 21/4 × 21 = 945/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
3/42 = 3 × 2/42 × 2 = 6/84 - Add the two like fractions:
945/84 + 6/84 = 945 + 6/84 = 951/84 - 951/84 simplified gives 317/28
- So, 45/4 + 3/42 = 317/28
In mixed form: 119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+3/42 45/4+6/42 45/8+3/42 45/4+3/84 45/4+9/42 45/12+3/42 45/4+15/42 45/20+3/42 45/4+21/42 45/28+3/42