Add 70/42 and 14/10
1st number: 1 28/42, 2nd number: 1 4/10
70/42 + 14/10 is 46/15.
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,
14/10 = 14 × 21/10 × 21 = 294/210 - Add the two like fractions:
350/210 + 294/210 = 350 + 294/210 = 644/210 - 644/210 simplified gives 46/15
- So, 70/42 + 14/10 = 46/15
In mixed form: 31/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+28/10 70/84+14/10 70/42+14/20 70/42+42/10 70/42+14/30 70/42+70/10 70/42+14/50 70/42+98/10 70/42+14/70