Add 42/3 and 63/40
1st number: 14 0/3, 2nd number: 1 23/40
42/3 + 63/40 is 623/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
42/3 = 42 × 40/3 × 40 = 1680/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Add the two like fractions:
1680/120 + 189/120 = 1680 + 189/120 = 1869/120 - 1869/120 simplified gives 623/40
- So, 42/3 + 63/40 = 623/40
In mixed form: 1523/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3+63/40 42/6+63/40 42/3+63/80 42/9+63/40 42/15+63/40 42/21+63/40