Add 42/8 and 4/10
1st number: 5 2/8, 2nd number: 4/10
42/8 + 4/10 is 113/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
42/8 = 42 × 5/8 × 5 = 210/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
4/10 = 4 × 4/10 × 4 = 16/40 - Add the two like fractions:
210/40 + 16/40 = 210 + 16/40 = 226/40 - 226/40 simplified gives 113/20
- So, 42/8 + 4/10 = 113/20
In mixed form: 513/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+4/10 42/8+8/10 42/16+4/10 42/8+4/20 42/8+12/10 42/24+4/10 42/8+4/30 42/8+20/10 42/40+4/10 42/8+4/50 42/8+28/10 42/56+4/10 42/8+4/70