Add 72/81 and 42/10
1st number: 72/81, 2nd number: 4 2/10
72/81 + 42/10 is 229/45.
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,
72/81 = 72 × 10/81 × 10 = 720/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
42/10 = 42 × 81/10 × 81 = 3402/810 - Add the two like fractions:
720/810 + 3402/810 = 720 + 3402/810 = 4122/810 - 4122/810 simplified gives 229/45
- So, 72/81 + 42/10 = 229/45
In mixed form: 54/45
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