Add 12/70 and 20/5
1st number: 12/70, 2nd number: 4 0/5
12/70 + 20/5 is 146/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
20/5 = 20 × 14/5 × 14 = 280/70 - Add the two like fractions:
12/70 + 280/70 = 12 + 280/70 = 292/70 - 292/70 simplified gives 146/35
- So, 12/70 + 20/5 = 146/35
In mixed form: 46/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+20/5 12/70+40/5 12/70+20/10 36/70+20/5 12/70+60/5 12/70+20/15 60/70+20/5 12/70+20/25 84/70+20/5 12/70+20/35