Add 15/4 and 5/42
1st number: 3 3/4, 2nd number: 5/42
15/4 + 5/42 is 325/84.
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,
15/4 = 15 × 21/4 × 21 = 315/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
5/42 = 5 × 2/42 × 2 = 10/84 - Add the two like fractions:
315/84 + 10/84 = 315 + 10/84 = 325/84 - So, 15/4 + 5/42 = 325/84
In mixed form: 373/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4+5/42 15/4+10/42 15/8+5/42 15/4+5/84 45/4+5/42 15/4+15/42 15/12+5/42 75/4+5/42 15/4+25/42 15/20+5/42 15/4+35/42 15/28+5/42