Add 10/42 and 24/80
10/42 + 24/80 is 113/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
10/42 = 10 × 40/42 × 40 = 400/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
24/80 = 24 × 21/80 × 21 = 504/1680 - Add the two like fractions:
400/1680 + 504/1680 = 400 + 504/1680 = 904/1680 - 904/1680 simplified gives 113/210
- So, 10/42 + 24/80 = 113/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+24/80 10/42+48/80 10/84+24/80 30/42+24/80 10/42+72/80 50/42+24/80 70/42+24/80