Add 12/28 and 48/70
12/28 + 48/70 is 39/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
48/70 = 48 × 2/70 × 2 = 96/140 - Add the two like fractions:
60/140 + 96/140 = 60 + 96/140 = 156/140 - 156/140 simplified gives 39/35
- So, 12/28 + 48/70 = 39/35
In mixed form: 14/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/28+48/70 12/28+96/70 12/56+48/70 36/28+48/70 12/84+48/70 60/28+48/70 84/28+48/70