Add 56/21 and 50/30
1st number: 2 14/21, 2nd number: 1 20/30
56/21 + 50/30 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
56/21 = 56 × 10/21 × 10 = 560/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
50/30 = 50 × 7/30 × 7 = 350/210 - Add the two like fractions:
560/210 + 350/210 = 560 + 350/210 = 910/210 - 910/210 simplified gives 13/3
- So, 56/21 + 50/30 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+50/30 56/21+50/60 56/63+50/30 56/21+50/90