Add 63/30 and 90/18
1st number: 2 3/30, 2nd number: 5 0/18
63/30 + 90/18 is 71/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
63/30 = 63 × 3/30 × 3 = 189/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Add the two like fractions:
189/90 + 450/90 = 189 + 450/90 = 639/90 - 639/90 simplified gives 71/10
- So, 63/30 + 90/18 = 71/10
In mixed form: 71/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60+90/18 63/30+90/36 63/90+90/18 63/30+90/54