Add 40/5 and 42/54
1st number: 8 0/5, 2nd number: 42/54
40/5 + 42/54 is 79/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
40/5 = 40 × 54/5 × 54 = 2160/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Add the two like fractions:
2160/270 + 210/270 = 2160 + 210/270 = 2370/270 - 2370/270 simplified gives 79/9
- So, 40/5 + 42/54 = 79/9
In mixed form: 87/9
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