Add 12/70 and 48/20
1st number: 12/70, 2nd number: 2 8/20
12/70 + 48/20 is 18/7.
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,
12/70 = 12 × 2/70 × 2 = 24/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
48/20 = 48 × 7/20 × 7 = 336/140 - Add the two like fractions:
24/140 + 336/140 = 24 + 336/140 = 360/140 - 360/140 simplified gives 18/7
- So, 12/70 + 48/20 = 18/7
In mixed form: 24/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+48/20 12/70+96/20 12/70+48/40 36/70+48/20 12/70+48/60 60/70+48/20 84/70+48/20