Add 48/84 and 28/70
48/84 + 28/70 is 34/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
48/84 = 48 × 5/84 × 5 = 240/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
28/70 = 28 × 6/70 × 6 = 168/420 - Add the two like fractions:
240/420 + 168/420 = 240 + 168/420 = 408/420 - 408/420 simplified gives 34/35
- So, 48/84 + 28/70 = 34/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/84+28/70 48/84+56/70 48/84+84/70