Add 5/70 and 9/30
5/70 + 9/30 is 13/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
5/70 = 5 × 3/70 × 3 = 15/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Add the two like fractions:
15/210 + 63/210 = 15 + 63/210 = 78/210 - 78/210 simplified gives 13/35
- So, 5/70 + 9/30 = 13/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70+9/30 5/70+18/30 5/70+9/60 15/70+9/30 5/70+27/30 5/70+9/90 25/70+9/30 5/70+45/30 35/70+9/30 5/70+63/30