Add 10/50 and 15/42
10/50 + 15/42 is 39/70.
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,
10/50 = 10 × 21/50 × 21 = 210/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
15/42 = 15 × 25/42 × 25 = 375/1050 - Add the two like fractions:
210/1050 + 375/1050 = 210 + 375/1050 = 585/1050 - 585/1050 simplified gives 39/70
- So, 10/50 + 15/42 = 39/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/50+15/42 10/50+30/42 10/50+15/84 30/50+15/42 10/50+45/42 10/50+75/42 70/50+15/42