Add 9/30 and 28/70
9/30 + 28/70 is 7/10.
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,
9/30 = 9 × 7/30 × 7 = 63/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210 - Add the two like fractions:
63/210 + 84/210 = 63 + 84/210 = 147/210 - 147/210 simplified gives 7/10
- So, 9/30 + 28/70 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+28/70 9/30+56/70 9/60+28/70 27/30+28/70 9/30+84/70 9/90+28/70 45/30+28/70 63/30+28/70