Add 42/9 and 40/24
1st number: 4 6/9, 2nd number: 1 16/24
42/9 + 40/24 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
42/9 = 42 × 8/9 × 8 = 336/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
40/24 = 40 × 3/24 × 3 = 120/72 - Add the two like fractions:
336/72 + 120/72 = 336 + 120/72 = 456/72 - 456/72 simplified gives 19/3
- So, 42/9 + 40/24 = 19/3
In mixed form: 61/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+40/24 42/9+80/24 42/18+40/24 42/9+40/48 42/27+40/24 42/9+40/72 42/45+40/24 42/63+40/24