Add 7/84 and 30/25
1st number: 7/84, 2nd number: 1 5/25
7/84 + 30/25 is 77/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
7/84 = 7 × 25/84 × 25 = 175/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
30/25 = 30 × 84/25 × 84 = 2520/2100 - Add the two like fractions:
175/2100 + 2520/2100 = 175 + 2520/2100 = 2695/2100 - 2695/2100 simplified gives 77/60
- So, 7/84 + 30/25 = 77/60
In mixed form: 117/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+30/25 7/84+60/25 7/84+30/50 21/84+30/25 7/84+90/25 7/84+30/75 35/84+30/25 49/84+30/25