Add 72/49 and 81/10
1st number: 1 23/49, 2nd number: 8 1/10
72/49 + 81/10 is 4689/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
72/49 = 72 × 10/49 × 10 = 720/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
81/10 = 81 × 49/10 × 49 = 3969/490 - Add the two like fractions:
720/490 + 3969/490 = 720 + 3969/490 = 4689/490 - So, 72/49 + 81/10 = 4689/490
In mixed form: 9279/490
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