Add 70/20 and 12/5
1st number: 3 10/20, 2nd number: 2 2/5
70/20 + 12/5 is 59/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
12/5 = 12 × 4/5 × 4 = 48/20 - Add the two like fractions:
70/20 + 48/20 = 70 + 48/20 = 118/20 - 118/20 simplified gives 59/10
- So, 70/20 + 12/5 = 59/10
In mixed form: 59/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+24/5 70/40+12/5 70/20+12/10 70/20+36/5 70/60+12/5 70/20+12/15 70/20+60/5 70/20+12/25 70/20+84/5 70/20+12/35