Add 42/3 and 54/40
1st number: 14 0/3, 2nd number: 1 14/40
42/3 + 54/40 is 307/20.
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,
54/40 = 54 × 3/40 × 3 = 162/120 - Add the two like fractions:
1680/120 + 162/120 = 1680 + 162/120 = 1842/120 - 1842/120 simplified gives 307/20
- So, 42/3 + 54/40 = 307/20
In mixed form: 157/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3+54/40 42/6+54/40 42/3+54/80 42/9+54/40 42/15+54/40 42/21+54/40