Add 7/18 and 40/75
7/18 + 40/75 is 83/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
7/18 = 7 × 25/18 × 25 = 175/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
40/75 = 40 × 6/75 × 6 = 240/450 - Add the two like fractions:
175/450 + 240/450 = 175 + 240/450 = 415/450 - 415/450 simplified gives 83/90
- So, 7/18 + 40/75 = 83/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+40/75 7/18+80/75 7/36+40/75 21/18+40/75 7/54+40/75 35/18+40/75 7/90+40/75 49/18+40/75