Add 42/10 and 20/16
1st number: 4 2/10, 2nd number: 1 4/16
42/10 + 20/16 is 109/20.
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,
42/10 = 42 × 8/10 × 8 = 336/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
20/16 = 20 × 5/16 × 5 = 100/80 - Add the two like fractions:
336/80 + 100/80 = 336 + 100/80 = 436/80 - 436/80 simplified gives 109/20
- So, 42/10 + 20/16 = 109/20
In mixed form: 59/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+20/16 42/10+40/16 42/20+20/16 42/10+20/32 42/10+60/16 42/30+20/16 42/10+20/48 42/50+20/16 42/10+20/80 42/70+20/16