Add 3/40 and 63/10
1st number: 3/40, 2nd number: 6 3/10
3/40 + 63/10 is 51/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
3/40 = 3 × 1/40 × 1 = 3/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
63/10 = 63 × 4/10 × 4 = 252/40 - Add the two like fractions:
3/40 + 252/40 = 3 + 252/40 = 255/40 - 255/40 simplified gives 51/8
- So, 3/40 + 63/10 = 51/8
In mixed form: 63/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40+63/10 3/80+63/10 3/40+63/20 9/40+63/10 3/40+63/30 15/40+63/10 3/40+63/50 21/40+63/10 3/40+63/70