Add 40/10 and 42/3
1st number: 4 0/10, 2nd number: 14 0/3
40/10 + 42/3 is 18/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
40/10 = 40 × 3/10 × 3 = 120/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
42/3 = 42 × 10/3 × 10 = 420/30 - Add the two like fractions:
120/30 + 420/30 = 120 + 420/30 = 540/30 - 540/30 simplified gives 18/1
- So, 40/10 + 42/3 = 18/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+42/3 40/10+84/3 40/20+42/3 40/10+42/6 40/30+42/3 40/10+42/9 40/50+42/3 40/10+42/15 40/70+42/3 40/10+42/21