Add 4/30 and 45/81
4/30 + 45/81 is 31/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
4/30 = 4 × 27/30 × 27 = 108/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
45/81 = 45 × 10/81 × 10 = 450/810 - Add the two like fractions:
108/810 + 450/810 = 108 + 450/810 = 558/810 - 558/810 simplified gives 31/45
- So, 4/30 + 45/81 = 31/45
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