Add 90/2 and 7/63
1st number: 45 0/2, 2nd number: 7/63
90/2 + 7/63 is 406/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
90/2 = 90 × 63/2 × 63 = 5670/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126 - Add the two like fractions:
5670/126 + 14/126 = 5670 + 14/126 = 5684/126 - 5684/126 simplified gives 406/9
- So, 90/2 + 7/63 = 406/9
In mixed form: 451/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+14/63 90/4+7/63 90/2+21/63 90/6+7/63 90/2+35/63 90/10+7/63 90/2+49/63 90/14+7/63