Add 24/81 and 42/20
1st number: 24/81, 2nd number: 2 2/20
24/81 + 42/20 is 647/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 20 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
24/81 = 24 × 20/81 × 20 = 480/1620 - Likewise, for the 2nd fraction, since 20 × 81 = 1620,
42/20 = 42 × 81/20 × 81 = 3402/1620 - Add the two like fractions:
480/1620 + 3402/1620 = 480 + 3402/1620 = 3882/1620 - 3882/1620 simplified gives 647/270
- So, 24/81 + 42/20 = 647/270
In mixed form: 2107/270
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