Add 4/81 and 72/10
1st number: 4/81, 2nd number: 7 2/10
4/81 + 72/10 is 2936/405.
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,
4/81 = 4 × 10/81 × 10 = 40/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
72/10 = 72 × 81/10 × 81 = 5832/810 - Add the two like fractions:
40/810 + 5832/810 = 40 + 5832/810 = 5872/810 - 5872/810 simplified gives 2936/405
- So, 4/81 + 72/10 = 2936/405
In mixed form: 7101/405
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