Add 81/70 and 30/49
1st number: 1 11/70, 2nd number: 30/49
81/70 + 30/49 is 867/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
81/70 = 81 × 7/70 × 7 = 567/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
30/49 = 30 × 10/49 × 10 = 300/490 - Add the two like fractions:
567/490 + 300/490 = 567 + 300/490 = 867/490 - So, 81/70 + 30/49 = 867/490
In mixed form: 1377/490
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