Add 90/12 and 42/50
1st number: 7 6/12, 2nd number: 42/50
90/12 + 42/50 is 417/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
90/12 = 90 × 25/12 × 25 = 2250/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
42/50 = 42 × 6/50 × 6 = 252/300 - Add the two like fractions:
2250/300 + 252/300 = 2250 + 252/300 = 2502/300 - 2502/300 simplified gives 417/50
- So, 90/12 + 42/50 = 417/50
In mixed form: 817/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+84/50 90/24+42/50 90/36+42/50 90/60+42/50 90/84+42/50