Add 50/30 and 27/70
1st number: 1 20/30, 2nd number: 27/70
50/30 + 27/70 is 431/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
50/30 = 50 × 7/30 × 7 = 350/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
27/70 = 27 × 3/70 × 3 = 81/210 - Add the two like fractions:
350/210 + 81/210 = 350 + 81/210 = 431/210 - So, 50/30 + 27/70 = 431/210
In mixed form: 211/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+54/70 50/60+27/70 50/30+81/70 50/90+27/70