Add 63/35 and 80/30
1st number: 1 28/35, 2nd number: 2 20/30
63/35 + 80/30 is 67/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
63/35 = 63 × 6/35 × 6 = 378/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
80/30 = 80 × 7/30 × 7 = 560/210 - Add the two like fractions:
378/210 + 560/210 = 378 + 560/210 = 938/210 - 938/210 simplified gives 67/15
- So, 63/35 + 80/30 = 67/15
In mixed form: 47/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70+80/30 63/35+80/60 63/35+80/90