Add 20/42 and 8/75
20/42 + 8/75 is 102/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
20/42 = 20 × 25/42 × 25 = 500/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
8/75 = 8 × 14/75 × 14 = 112/1050 - Add the two like fractions:
500/1050 + 112/1050 = 500 + 112/1050 = 612/1050 - 612/1050 simplified gives 102/175
- So, 20/42 + 8/75 = 102/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/42+8/75 20/42+16/75 20/84+8/75 60/42+8/75 20/42+24/75 20/42+40/75 20/42+56/75