Add 3/84 and 75/56
1st number: 3/84, 2nd number: 1 19/56
3/84 + 75/56 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
3/84 = 3 × 2/84 × 2 = 6/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
75/56 = 75 × 3/56 × 3 = 225/168 - Add the two like fractions:
6/168 + 225/168 = 6 + 225/168 = 231/168 - 231/168 simplified gives 11/8
- So, 3/84 + 75/56 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+75/56 9/84+75/56 15/84+75/56 21/84+75/56