Add 42/54 and 14/15
42/54 + 14/15 is 77/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 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 15 × 18 = 270,
14/15 = 14 × 18/15 × 18 = 252/270 - Add the two like fractions:
210/270 + 252/270 = 210 + 252/270 = 462/270 - 462/270 simplified gives 77/45
- So, 42/54 + 14/15 = 77/45
In mixed form: 132/45
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