Add 30/50 and 48/70
30/50 + 48/70 is 9/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
30/50 = 30 × 7/50 × 7 = 210/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
48/70 = 48 × 5/70 × 5 = 240/350 - Add the two like fractions:
210/350 + 240/350 = 210 + 240/350 = 450/350 - 450/350 simplified gives 9/7
- So, 30/50 + 48/70 = 9/7
In mixed form: 12/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/50+48/70 30/50+96/70 90/50+48/70