Add 42/54 and 45/30
1st number: 42/54, 2nd number: 1 15/30
42/54 + 45/30 is 41/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
45/30 = 45 × 9/30 × 9 = 405/270 - Add the two like fractions:
210/270 + 405/270 = 210 + 405/270 = 615/270 - 615/270 simplified gives 41/18
- So, 42/54 + 45/30 = 41/18
In mixed form: 25/18
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