Add 42/56 and 3/84
42/56 + 3/84 is 11/14.
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,
42/56 = 42 × 3/56 × 3 = 126/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
3/84 = 3 × 2/84 × 2 = 6/168 - Add the two like fractions:
126/168 + 6/168 = 126 + 6/168 = 132/168 - 132/168 simplified gives 11/14
- So, 42/56 + 3/84 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+3/84 42/56+6/84 42/56+9/84 42/56+15/84 42/56+21/84