Add 30/10 and 36/42
1st number: 3 0/10, 2nd number: 36/42
30/10 + 36/42 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
30/10 = 30 × 21/10 × 21 = 630/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
36/42 = 36 × 5/42 × 5 = 180/210 - Add the two like fractions:
630/210 + 180/210 = 630 + 180/210 = 810/210 - 810/210 simplified gives 27/7
- So, 30/10 + 36/42 = 27/7
In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+36/42 30/10+72/42 30/20+36/42 30/10+36/84 90/10+36/42 30/50+36/42 30/70+36/42