Add 24/42 and 90/10
1st number: 24/42, 2nd number: 9 0/10
24/42 + 90/10 is 67/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
24/42 = 24 × 5/42 × 5 = 120/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
90/10 = 90 × 21/10 × 21 = 1890/210 - Add the two like fractions:
120/210 + 1890/210 = 120 + 1890/210 = 2010/210 - 2010/210 simplified gives 67/7
- So, 24/42 + 90/10 = 67/7
In mixed form: 94/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42+90/10 24/84+90/10 24/42+90/20 72/42+90/10 24/42+90/30 24/42+90/50 24/42+90/70