Add 30/25 and 84/70
1st number: 1 5/25, 2nd number: 1 14/70
30/25 + 84/70 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
30/25 = 30 × 14/25 × 14 = 420/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
84/70 = 84 × 5/70 × 5 = 420/350 - Add the two like fractions:
420/350 + 420/350 = 420 + 420/350 = 840/350 - 840/350 simplified gives 12/5
- So, 30/25 + 84/70 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+84/70 30/50+84/70 90/25+84/70 30/75+84/70