Add 90/63 and 28/32
1st number: 1 27/63, 2nd number: 28/32
90/63 + 28/32 is 129/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 32 is 2016
Next, find the equivalent fraction of both fractional numbers with denominator 2016 - For the 1st fraction, since 63 × 32 = 2016,
90/63 = 90 × 32/63 × 32 = 2880/2016 - Likewise, for the 2nd fraction, since 32 × 63 = 2016,
28/32 = 28 × 63/32 × 63 = 1764/2016 - Add the two like fractions:
2880/2016 + 1764/2016 = 2880 + 1764/2016 = 4644/2016 - 4644/2016 simplified gives 129/56
- So, 90/63 + 28/32 = 129/56
In mixed form: 217/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+56/32 90/63+28/64 90/63+84/32 90/63+28/96