Add 70/20 and 70/49
1st number: 3 10/20, 2nd number: 1 21/49
70/20 + 70/49 is 69/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
70/20 = 70 × 49/20 × 49 = 3430/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
70/49 = 70 × 20/49 × 20 = 1400/980 - Add the two like fractions:
3430/980 + 1400/980 = 3430 + 1400/980 = 4830/980 - 4830/980 simplified gives 69/14
- So, 70/20 + 70/49 = 69/14
In mixed form: 413/14
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