Add 42/9 and 1/84
1st number: 4 6/9, 2nd number: 1/84
42/9 + 1/84 is 131/28.
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,
1/84 = 1 × 3/84 × 3 = 3/252 - Add the two like fractions:
1176/252 + 3/252 = 1176 + 3/252 = 1179/252 - 1179/252 simplified gives 131/28
- So, 42/9 + 1/84 = 131/28
In mixed form: 419/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+1/84 42/9+2/84 42/18+1/84 42/9+3/84 42/27+1/84 42/9+5/84 42/45+1/84 42/9+7/84 42/63+1/84