Add 15/50 and 42/12
1st number: 15/50, 2nd number: 3 6/12
15/50 + 42/12 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
15/50 = 15 × 6/50 × 6 = 90/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
42/12 = 42 × 25/12 × 25 = 1050/300 - Add the two like fractions:
90/300 + 1050/300 = 90 + 1050/300 = 1140/300 - 1140/300 simplified gives 19/5
- So, 15/50 + 42/12 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50+42/12 15/50+84/12 15/50+42/24 45/50+42/12 15/50+42/36 75/50+42/12 15/50+42/60 15/50+42/84