Add 70/49 and 21/18
1st number: 1 21/49, 2nd number: 1 3/18
70/49 + 21/18 is 109/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
70/49 = 70 × 18/49 × 18 = 1260/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
21/18 = 21 × 49/18 × 49 = 1029/882 - Add the two like fractions:
1260/882 + 1029/882 = 1260 + 1029/882 = 2289/882 - 2289/882 simplified gives 109/42
- So, 70/49 + 21/18 = 109/42
In mixed form: 225/42
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