Add 30/25 and 40/18
1st number: 1 5/25, 2nd number: 2 4/18
30/25 + 40/18 is 154/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
30/25 = 30 × 18/25 × 18 = 540/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
40/18 = 40 × 25/18 × 25 = 1000/450 - Add the two like fractions:
540/450 + 1000/450 = 540 + 1000/450 = 1540/450 - 1540/450 simplified gives 154/45
- So, 30/25 + 40/18 = 154/45
In mixed form: 319/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+40/18 30/25+80/18 30/50+40/18 30/25+40/36 90/25+40/18 30/75+40/18 30/25+40/54 30/25+40/90