Add 42/45 and 36/54
42/45 + 36/54 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
42/45 = 42 × 6/45 × 6 = 252/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
36/54 = 36 × 5/54 × 5 = 180/270 - Add the two like fractions:
252/270 + 180/270 = 252 + 180/270 = 432/270 - 432/270 simplified gives 8/5
- So, 42/45 + 36/54 = 8/5
In mixed form: 13/5
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