Add 45/84 and 5/56
45/84 + 5/56 is 5/8.
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,
45/84 = 45 × 2/84 × 2 = 90/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
5/56 = 5 × 3/56 × 3 = 15/168 - Add the two like fractions:
90/168 + 15/168 = 90 + 15/168 = 105/168 - 105/168 simplified gives 5/8
- So, 45/84 + 5/56 = 5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/84+5/56 45/84+10/56 45/84+15/56 45/84+25/56 45/84+35/56