Add 81/10 and 70/49
1st number: 8 1/10, 2nd number: 1 21/49
81/10 + 70/49 is 667/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
81/10 = 81 × 49/10 × 49 = 3969/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
70/49 = 70 × 10/49 × 10 = 700/490 - Add the two like fractions:
3969/490 + 700/490 = 3969 + 700/490 = 4669/490 - 4669/490 simplified gives 667/70
- So, 81/10 + 70/49 = 667/70
In mixed form: 937/70
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