Add 18/28 and 70/48
1st number: 18/28, 2nd number: 1 22/48
18/28 + 70/48 is 353/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 28 × 12 = 336,
18/28 = 18 × 12/28 × 12 = 216/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
70/48 = 70 × 7/48 × 7 = 490/336 - Add the two like fractions:
216/336 + 490/336 = 216 + 490/336 = 706/336 - 706/336 simplified gives 353/168
- So, 18/28 + 70/48 = 353/168
In mixed form: 217/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+70/48 18/56+70/48 18/28+70/96 54/28+70/48 18/84+70/48 90/28+70/48