Add 40/42 and 12/50
40/42 + 12/50 is 626/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
40/42 = 40 × 25/42 × 25 = 1000/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
12/50 = 12 × 21/50 × 21 = 252/1050 - Add the two like fractions:
1000/1050 + 252/1050 = 1000 + 252/1050 = 1252/1050 - 1252/1050 simplified gives 626/525
- So, 40/42 + 12/50 = 626/525
In mixed form: 1101/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+12/50 40/42+24/50 40/84+12/50 40/42+36/50 40/42+60/50 40/42+84/50