Add 90/56 and 36/84
1st number: 1 34/56, 2nd number: 36/84
90/56 + 36/84 is 57/28.
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,
90/56 = 90 × 3/56 × 3 = 270/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
36/84 = 36 × 2/84 × 2 = 72/168 - Add the two like fractions:
270/168 + 72/168 = 270 + 72/168 = 342/168 - 342/168 simplified gives 57/28
- So, 90/56 + 36/84 = 57/28
In mixed form: 21/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+72/84