Add 42/24 and 1/20
1st number: 1 18/24, 2nd number: 1/20
42/24 + 1/20 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
42/24 = 42 × 5/24 × 5 = 210/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
1/20 = 1 × 6/20 × 6 = 6/120 - Add the two like fractions:
210/120 + 6/120 = 210 + 6/120 = 216/120 - 216/120 simplified gives 9/5
- So, 42/24 + 1/20 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+1/20 42/24+2/20 42/48+1/20 42/24+1/40 42/24+3/20 42/72+1/20 42/24+1/60 42/24+5/20 42/24+7/20