Add 42/54 and 56/45
1st number: 42/54, 2nd number: 1 11/45
42/54 + 56/45 is 91/45.
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,
56/45 = 56 × 6/45 × 6 = 336/270 - Add the two like fractions:
210/270 + 336/270 = 210 + 336/270 = 546/270 - 546/270 simplified gives 91/45
- So, 42/54 + 56/45 = 91/45
In mixed form: 21/45
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