Add 50/4 and 15/42
1st number: 12 2/4, 2nd number: 15/42
50/4 + 15/42 is 90/7.
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,
50/4 = 50 × 21/4 × 21 = 1050/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
15/42 = 15 × 2/42 × 2 = 30/84 - Add the two like fractions:
1050/84 + 30/84 = 1050 + 30/84 = 1080/84 - 1080/84 simplified gives 90/7
- So, 50/4 + 15/42 = 90/7
In mixed form: 126/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+30/42 50/8+15/42 50/4+15/84 50/4+45/42 50/12+15/42 50/4+75/42 50/20+15/42 50/28+15/42