Add 63/90 and 3/8
63/90 + 3/8 is 43/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
63/90 = 63 × 4/90 × 4 = 252/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
3/8 = 3 × 45/8 × 45 = 135/360 - Add the two like fractions:
252/360 + 135/360 = 252 + 135/360 = 387/360 - 387/360 simplified gives 43/40
- So, 63/90 + 3/8 = 43/40
In mixed form: 13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90+6/8 63/90+3/16 63/90+9/8 63/90+3/24 63/90+15/8 63/90+3/40 63/90+21/8 63/90+3/56