Add 30/25 and 30/84
1st number: 1 5/25, 2nd number: 30/84
30/25 + 30/84 is 109/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
30/25 = 30 × 84/25 × 84 = 2520/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
30/84 = 30 × 25/84 × 25 = 750/2100 - Add the two like fractions:
2520/2100 + 750/2100 = 2520 + 750/2100 = 3270/2100 - 3270/2100 simplified gives 109/70
- So, 30/25 + 30/84 = 109/70
In mixed form: 139/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+30/84 30/25+60/84 30/50+30/84 90/25+30/84 30/25+90/84 30/75+30/84