Add 70/25 and 9/30
1st number: 2 20/25, 2nd number: 9/30
70/25 + 9/30 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
70/25 = 70 × 6/25 × 6 = 420/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Add the two like fractions:
420/150 + 45/150 = 420 + 45/150 = 465/150 - 465/150 simplified gives 31/10
- So, 70/25 + 9/30 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25+18/30 70/50+9/30 70/25+9/60 70/25+27/30 70/75+9/30 70/25+9/90 70/25+45/30 70/25+63/30