Add 10/60 and 50/21
1st number: 10/60, 2nd number: 2 8/21
10/60 + 50/21 is 107/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
10/60 = 10 × 7/60 × 7 = 70/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
50/21 = 50 × 20/21 × 20 = 1000/420 - Add the two like fractions:
70/420 + 1000/420 = 70 + 1000/420 = 1070/420 - 1070/420 simplified gives 107/42
- So, 10/60 + 50/21 = 107/42
In mixed form: 223/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/60+50/21 10/60+50/42 30/60+50/21 10/60+50/63 50/60+50/21 70/60+50/21