Add 63/2 and 90/8
1st number: 31 1/2, 2nd number: 11 2/8
63/2 + 90/8 is 171/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
63/2 = 63 × 4/2 × 4 = 252/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
90/8 = 90 × 1/8 × 1 = 90/8 - Add the two like fractions:
252/8 + 90/8 = 252 + 90/8 = 342/8 - 342/8 simplified gives 171/4
- So, 63/2 + 90/8 = 171/4
In mixed form: 423/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4+90/8 63/2+90/16 63/6+90/8 63/2+90/24 63/10+90/8 63/2+90/40 63/14+90/8 63/2+90/56