Add 30/20 and 42/54
1st number: 1 10/20, 2nd number: 42/54
30/20 + 42/54 is 41/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
30/20 = 30 × 27/20 × 27 = 810/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
42/54 = 42 × 10/54 × 10 = 420/540 - Add the two like fractions:
810/540 + 420/540 = 810 + 420/540 = 1230/540 - 1230/540 simplified gives 41/18
- So, 30/20 + 42/54 = 41/18
In mixed form: 25/18
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