Add 70/20 and 3/70
1st number: 3 10/20, 2nd number: 3/70
70/20 + 3/70 is 124/35.
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,
70/20 = 70 × 7/20 × 7 = 490/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
3/70 = 3 × 2/70 × 2 = 6/140 - Add the two like fractions:
490/140 + 6/140 = 490 + 6/140 = 496/140 - 496/140 simplified gives 124/35
- So, 70/20 + 3/70 = 124/35
In mixed form: 319/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+6/70 70/40+3/70 70/20+9/70 70/60+3/70 70/20+15/70 70/20+21/70