Add 42/5 and 3/30
1st number: 8 2/5, 2nd number: 3/30
42/5 + 3/30 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
42/5 = 42 × 6/5 × 6 = 252/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
3/30 = 3 × 1/30 × 1 = 3/30 - Add the two like fractions:
252/30 + 3/30 = 252 + 3/30 = 255/30 - 255/30 simplified gives 17/2
- So, 42/5 + 3/30 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+3/30 42/5+6/30 42/10+3/30 42/5+3/60 42/5+9/30 42/15+3/30 42/5+3/90 42/5+15/30 42/25+3/30 42/5+21/30 42/35+3/30