Add 45/25 and 70/45
1st number: 1 20/25, 2nd number: 1 25/45
45/25 + 70/45 is 151/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
45/25 = 45 × 9/25 × 9 = 405/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
70/45 = 70 × 5/45 × 5 = 350/225 - Add the two like fractions:
405/225 + 350/225 = 405 + 350/225 = 755/225 - 755/225 simplified gives 151/45
- So, 45/25 + 70/45 = 151/45
In mixed form: 316/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25+70/45 45/50+70/45 45/25+70/90 45/75+70/45