Add 42/12 and 40/50
1st number: 3 6/12, 2nd number: 40/50
42/12 + 40/50 is 43/10.
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,
42/12 = 42 × 25/12 × 25 = 1050/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
40/50 = 40 × 6/50 × 6 = 240/300 - Add the two like fractions:
1050/300 + 240/300 = 1050 + 240/300 = 1290/300 - 1290/300 simplified gives 43/10
- So, 42/12 + 40/50 = 43/10
In mixed form: 43/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+40/50 42/12+80/50 42/24+40/50 42/36+40/50 42/60+40/50 42/84+40/50