Add 2/20 and 5/70
2/20 + 5/70 is 6/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Add the two like fractions:
14/140 + 10/140 = 14 + 10/140 = 24/140 - 24/140 simplified gives 6/35
- So, 2/20 + 5/70 = 6/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+5/70 2/20+10/70 2/40+5/70 6/20+5/70 2/20+15/70 2/60+5/70 10/20+5/70 2/20+25/70 14/20+5/70 2/20+35/70