Add 12/50 and 90/42
1st number: 12/50, 2nd number: 2 6/42
12/50 + 90/42 is 417/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
12/50 = 12 × 21/50 × 21 = 252/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
90/42 = 90 × 25/42 × 25 = 2250/1050 - Add the two like fractions:
252/1050 + 2250/1050 = 252 + 2250/1050 = 2502/1050 - 2502/1050 simplified gives 417/175
- So, 12/50 + 90/42 = 417/175
In mixed form: 267/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/50+90/42 12/50+90/84 36/50+90/42 60/50+90/42 84/50+90/42