Add 90/56 and 25/84
1st number: 1 34/56, 2nd number: 25/84
90/56 + 25/84 is 40/21.
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,
90/56 = 90 × 3/56 × 3 = 270/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
25/84 = 25 × 2/84 × 2 = 50/168 - Add the two like fractions:
270/168 + 50/168 = 270 + 50/168 = 320/168 - 320/168 simplified gives 40/21
- So, 90/56 + 25/84 = 40/21
In mixed form: 119/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+50/84 90/56+75/84