Add 42/10 and 8/5
1st number: 4 2/10, 2nd number: 1 3/5
42/10 + 8/5 is 29/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
42/10 = 42 × 1/10 × 1 = 42/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
8/5 = 8 × 2/5 × 2 = 16/10 - Add the two like fractions:
42/10 + 16/10 = 42 + 16/10 = 58/10 - 58/10 simplified gives 29/5
- So, 42/10 + 8/5 = 29/5
In mixed form: 54/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+8/5 42/10+16/5 42/20+8/5 42/10+8/10 42/10+24/5 42/30+8/5 42/10+8/15 42/10+40/5 42/50+8/5 42/10+8/25 42/10+56/5 42/70+8/5 42/10+8/35