Add 42/10 and 40/3
1st number: 4 2/10, 2nd number: 13 1/3
42/10 + 40/3 is 263/15.
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,
42/10 = 42 × 3/10 × 3 = 126/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
40/3 = 40 × 10/3 × 10 = 400/30 - Add the two like fractions:
126/30 + 400/30 = 126 + 400/30 = 526/30 - 526/30 simplified gives 263/15
- So, 42/10 + 40/3 = 263/15
In mixed form: 178/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+40/3 42/10+80/3 42/20+40/3 42/10+40/6 42/30+40/3 42/10+40/9 42/50+40/3 42/10+40/15 42/70+40/3 42/10+40/21