Add 50/60 and 9/42
50/60 + 9/42 is 22/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
50/60 = 50 × 7/60 × 7 = 350/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
9/42 = 9 × 10/42 × 10 = 90/420 - Add the two like fractions:
350/420 + 90/420 = 350 + 90/420 = 440/420 - 440/420 simplified gives 22/21
- So, 50/60 + 9/42 = 22/21
In mixed form: 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60+18/42 50/60+9/84 50/60+27/42 50/60+45/42 50/60+63/42