Add 42/4 and 10/5
1st number: 10 2/4, 2nd number: 2 0/5
42/4 + 10/5 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
42/4 = 42 × 5/4 × 5 = 210/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
10/5 = 10 × 4/5 × 4 = 40/20 - Add the two like fractions:
210/20 + 40/20 = 210 + 40/20 = 250/20 - 250/20 simplified gives 25/2
- So, 42/4 + 10/5 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+10/5 42/4+20/5 42/8+10/5 42/4+30/5 42/12+10/5 42/4+10/15 42/4+50/5 42/20+10/5 42/4+10/25 42/4+70/5 42/28+10/5 42/4+10/35