Add 42/10 and 16/8
1st number: 4 2/10, 2nd number: 2 0/8
42/10 + 16/8 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
42/10 = 42 × 4/10 × 4 = 168/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
16/8 = 16 × 5/8 × 5 = 80/40 - Add the two like fractions:
168/40 + 80/40 = 168 + 80/40 = 248/40 - 248/40 simplified gives 31/5
- So, 42/10 + 16/8 = 31/5
In mixed form: 61/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+16/8 42/10+32/8 42/20+16/8 42/10+48/8 42/30+16/8 42/10+16/24 42/10+80/8 42/50+16/8 42/10+16/40 42/70+16/8 42/10+16/56