Add 70/25 and 45/9
1st number: 2 20/25, 2nd number: 5 0/9
70/25 + 45/9 is 39/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
70/25 = 70 × 9/25 × 9 = 630/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
45/9 = 45 × 25/9 × 25 = 1125/225 - Add the two like fractions:
630/225 + 1125/225 = 630 + 1125/225 = 1755/225 - 1755/225 simplified gives 39/5
- So, 70/25 + 45/9 = 39/5
In mixed form: 74/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25+90/9 70/50+45/9 70/25+45/18 70/75+45/9 70/25+45/27 70/25+45/63