Add 18/56 and 49/84
18/56 + 49/84 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
18/56 = 18 × 3/56 × 3 = 54/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
49/84 = 49 × 2/84 × 2 = 98/168 - Add the two like fractions:
54/168 + 98/168 = 54 + 98/168 = 152/168 - 152/168 simplified gives 19/21
- So, 18/56 + 49/84 = 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56+49/84 18/56+98/84 54/56+49/84 90/56+49/84