Add 3/10 and 42/16
1st number: 3/10, 2nd number: 2 10/16
3/10 + 42/16 is 117/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
3/10 = 3 × 8/10 × 8 = 24/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80 - Add the two like fractions:
24/80 + 210/80 = 24 + 210/80 = 234/80 - 234/80 simplified gives 117/40
- So, 3/10 + 42/16 = 117/40
In mixed form: 237/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+42/16 3/10+84/16 3/20+42/16 3/10+42/32 9/10+42/16 3/30+42/16 3/10+42/48 15/10+42/16 3/50+42/16 3/10+42/80 21/10+42/16 3/70+42/16