Add 3/70 and 35/20
1st number: 3/70, 2nd number: 1 15/20
3/70 + 35/20 is 251/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
3/70 = 3 × 2/70 × 2 = 6/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
35/20 = 35 × 7/20 × 7 = 245/140 - Add the two like fractions:
6/140 + 245/140 = 6 + 245/140 = 251/140 - So, 3/70 + 35/20 = 251/140
In mixed form: 1111/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+35/20 3/70+70/20 3/70+35/40 9/70+35/20 3/70+35/60 15/70+35/20 21/70+35/20