Add 70/20 and 1/70
1st number: 3 10/20, 2nd number: 1/70
70/20 + 1/70 is 123/35.
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,
1/70 = 1 × 2/70 × 2 = 2/140 - Add the two like fractions:
490/140 + 2/140 = 490 + 2/140 = 492/140 - 492/140 simplified gives 123/35
- So, 70/20 + 1/70 = 123/35
In mixed form: 318/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+2/70 70/40+1/70 70/20+3/70 70/60+1/70 70/20+5/70 70/20+7/70