Add 42/9 and 45/84
1st number: 4 6/9, 2nd number: 45/84
42/9 + 45/84 is 437/84.
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,
45/84 = 45 × 3/84 × 3 = 135/252 - Add the two like fractions:
1176/252 + 135/252 = 1176 + 135/252 = 1311/252 - 1311/252 simplified gives 437/84
- So, 42/9 + 45/84 = 437/84
In mixed form: 517/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9+45/84 42/9+90/84 42/18+45/84 42/27+45/84 42/45+45/84 42/63+45/84