Add 42/9 and 3/84
1st number: 4 6/9, 2nd number: 3/84
42/9 + 3/84 is 395/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
42/9 = 42 × 28/9 × 28 = 1176/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
3/84 = 3 × 3/84 × 3 = 9/252 - Add the two like fractions:
1176/252 + 9/252 = 1176 + 9/252 = 1185/252 - 1185/252 simplified gives 395/84
- So, 42/9 + 3/84 = 395/84
In mixed form: 459/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+3/84 42/9+6/84 42/18+3/84 42/9+9/84 42/27+3/84 42/9+15/84 42/45+3/84 42/9+21/84 42/63+3/84