Add 42/54 and 5/45
42/54 + 5/45 is 8/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 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 45 × 6 = 270,
5/45 = 5 × 6/45 × 6 = 30/270 - Add the two like fractions:
210/270 + 30/270 = 210 + 30/270 = 240/270 - 240/270 simplified gives 8/9
- So, 42/54 + 5/45 = 8/9
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