Add 63/6 and 30/40
1st number: 10 3/6, 2nd number: 30/40
63/6 + 30/40 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
63/6 = 63 × 20/6 × 20 = 1260/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
30/40 = 30 × 3/40 × 3 = 90/120 - Add the two like fractions:
1260/120 + 90/120 = 1260 + 90/120 = 1350/120 - 1350/120 simplified gives 45/4
- So, 63/6 + 30/40 = 45/4
In mixed form: 111/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/6+60/40 63/12+30/40 63/6+30/80 63/6+90/40 63/18+30/40 63/30+30/40 63/42+30/40