Add 48/70 and 28/30
48/70 + 28/30 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
48/70 = 48 × 3/70 × 3 = 144/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Add the two like fractions:
144/210 + 196/210 = 144 + 196/210 = 340/210 - 340/210 simplified gives 34/21
- So, 48/70 + 28/30 = 34/21
In mixed form: 113/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/70+28/30 48/70+56/30 48/70+28/60 48/70+84/30 48/70+28/90