Add 70/42 and 36/10
1st number: 1 28/42, 2nd number: 3 6/10
70/42 + 36/10 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
36/10 = 36 × 21/10 × 21 = 756/210 - Add the two like fractions:
350/210 + 756/210 = 350 + 756/210 = 1106/210 - 1106/210 simplified gives 79/15
- So, 70/42 + 36/10 = 79/15
In mixed form: 54/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+72/10 70/84+36/10 70/42+36/20 70/42+36/30 70/42+36/50 70/42+36/70