Add 63/8 and 20/30
1st number: 7 7/8, 2nd number: 20/30
63/8 + 20/30 is 205/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
63/8 = 63 × 15/8 × 15 = 945/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
20/30 = 20 × 4/30 × 4 = 80/120 - Add the two like fractions:
945/120 + 80/120 = 945 + 80/120 = 1025/120 - 1025/120 simplified gives 205/24
- So, 63/8 + 20/30 = 205/24
In mixed form: 813/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+40/30 63/16+20/30 63/8+20/60 63/8+60/30 63/24+20/30 63/8+20/90 63/40+20/30 63/56+20/30