Add 42/49 and 81/10
1st number: 42/49, 2nd number: 8 1/10
42/49 + 81/10 is 627/70.
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,
42/49 = 42 × 10/49 × 10 = 420/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
81/10 = 81 × 49/10 × 49 = 3969/490 - Add the two like fractions:
420/490 + 3969/490 = 420 + 3969/490 = 4389/490 - 4389/490 simplified gives 627/70
- So, 42/49 + 81/10 = 627/70
In mixed form: 867/70
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