Add 90/63 and 8/18
1st number: 1 27/63, 2nd number: 8/18
90/63 + 8/18 is 118/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
90/63 = 90 × 2/63 × 2 = 180/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
8/18 = 8 × 7/18 × 7 = 56/126 - Add the two like fractions:
180/126 + 56/126 = 180 + 56/126 = 236/126 - 236/126 simplified gives 118/63
- So, 90/63 + 8/18 = 118/63
In mixed form: 155/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+16/18 90/63+8/36 90/63+24/18 90/63+8/54 90/63+40/18 90/63+8/90 90/63+56/18