Add 30/60 and 48/70
30/60 + 48/70 is 83/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
48/70 = 48 × 6/70 × 6 = 288/420 - Add the two like fractions:
210/420 + 288/420 = 210 + 288/420 = 498/420 - 498/420 simplified gives 83/70
- So, 30/60 + 48/70 = 83/70
In mixed form: 113/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+96/70 90/60+48/70