Add 2/70 and 20/30
2/70 + 20/30 is 73/105.
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,
2/70 = 2 × 3/70 × 3 = 6/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
20/30 = 20 × 7/30 × 7 = 140/210 - Add the two like fractions:
6/210 + 140/210 = 6 + 140/210 = 146/210 - 146/210 simplified gives 73/105
- So, 2/70 + 20/30 = 73/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70+20/30 2/70+40/30 2/70+20/60 6/70+20/30 2/70+60/30 2/70+20/90 10/70+20/30 14/70+20/30