Add 3/70 and 40/30
1st number: 3/70, 2nd number: 1 10/30
3/70 + 40/30 is 289/210.
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,
3/70 = 3 × 3/70 × 3 = 9/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
40/30 = 40 × 7/30 × 7 = 280/210 - Add the two like fractions:
9/210 + 280/210 = 9 + 280/210 = 289/210 - So, 3/70 + 40/30 = 289/210
In mixed form: 179/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+40/30 3/70+80/30 3/70+40/60 9/70+40/30 3/70+40/90 15/70+40/30 21/70+40/30