Add 30/20 and 48/70
1st number: 1 10/20, 2nd number: 48/70
30/20 + 48/70 is 153/70.
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,
30/20 = 30 × 7/20 × 7 = 210/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
48/70 = 48 × 2/70 × 2 = 96/140 - Add the two like fractions:
210/140 + 96/140 = 210 + 96/140 = 306/140 - 306/140 simplified gives 153/70
- So, 30/20 + 48/70 = 153/70
In mixed form: 213/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+48/70 30/20+96/70 30/40+48/70 90/20+48/70 30/60+48/70