Add 7/20 and 1/70
7/20 + 1/70 is 51/140.
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,
7/20 = 7 × 7/20 × 7 = 49/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
1/70 = 1 × 2/70 × 2 = 2/140 - Add the two like fractions:
49/140 + 2/140 = 49 + 2/140 = 51/140 - So, 7/20 + 1/70 = 51/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+1/70 7/20+2/70 7/40+1/70 21/20+1/70 7/20+3/70 7/60+1/70 35/20+1/70 7/20+5/70 49/20+1/70 7/20+7/70