Add 84/25 and 49/42
1st number: 3 9/25, 2nd number: 1 7/42
84/25 + 49/42 is 679/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
84/25 = 84 × 42/25 × 42 = 3528/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
49/42 = 49 × 25/42 × 25 = 1225/1050 - Add the two like fractions:
3528/1050 + 1225/1050 = 3528 + 1225/1050 = 4753/1050 - 4753/1050 simplified gives 679/150
- So, 84/25 + 49/42 = 679/150
In mixed form: 479/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+98/42 84/50+49/42 84/25+49/84 84/75+49/42