Add 18/75 and 12/70
18/75 + 12/70 is 72/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
18/75 = 18 × 14/75 × 14 = 252/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
12/70 = 12 × 15/70 × 15 = 180/1050 - Add the two like fractions:
252/1050 + 180/1050 = 252 + 180/1050 = 432/1050 - 432/1050 simplified gives 72/175
- So, 18/75 + 12/70 = 72/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75+12/70 18/75+24/70 54/75+12/70 18/75+36/70 90/75+12/70 18/75+60/70 18/75+84/70