Add 42/81 and 40/30
1st number: 42/81, 2nd number: 1 10/30
42/81 + 40/30 is 50/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
42/81 = 42 × 10/81 × 10 = 420/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
40/30 = 40 × 27/30 × 27 = 1080/810 - Add the two like fractions:
420/810 + 1080/810 = 420 + 1080/810 = 1500/810 - 1500/810 simplified gives 50/27
- So, 42/81 + 40/30 = 50/27
In mixed form: 123/27
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