Add 49/42 and 70/10
1st number: 1 7/42, 2nd number: 7 0/10
49/42 + 70/10 is 49/6.
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,
49/42 = 49 × 5/42 × 5 = 245/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
70/10 = 70 × 21/10 × 21 = 1470/210 - Add the two like fractions:
245/210 + 1470/210 = 245 + 1470/210 = 1715/210 - 1715/210 simplified gives 49/6
- So, 49/42 + 70/10 = 49/6
In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42+70/10 49/84+70/10 49/42+70/20 49/42+70/30 49/42+70/50