Add 35/84 and 45/56
35/84 + 45/56 is 205/168.
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,
35/84 = 35 × 2/84 × 2 = 70/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
45/56 = 45 × 3/56 × 3 = 135/168 - Add the two like fractions:
70/168 + 135/168 = 70 + 135/168 = 205/168 - So, 35/84 + 45/56 = 205/168
In mixed form: 137/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+45/56 35/84+90/56