Add 12/75 and 12/42
12/75 + 12/42 is 78/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
12/75 = 12 × 14/75 × 14 = 168/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
12/42 = 12 × 25/42 × 25 = 300/1050 - Add the two like fractions:
168/1050 + 300/1050 = 168 + 300/1050 = 468/1050 - 468/1050 simplified gives 78/175
- So, 12/75 + 12/42 = 78/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/75+12/42 12/75+24/42 12/75+12/84 36/75+12/42 12/75+36/42 60/75+12/42 12/75+60/42 84/75+12/42 12/75+84/42