Add 3/81 and 42/10
1st number: 3/81, 2nd number: 4 2/10
3/81 + 42/10 is 572/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
3/81 = 3 × 10/81 × 10 = 30/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
42/10 = 42 × 81/10 × 81 = 3402/810 - Add the two like fractions:
30/810 + 3402/810 = 30 + 3402/810 = 3432/810 - 3432/810 simplified gives 572/135
- So, 3/81 + 42/10 = 572/135
In mixed form: 432/135
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