Add 42/80 and 54/40
1st number: 42/80, 2nd number: 1 14/40
42/80 + 54/40 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
54/40 = 54 × 2/40 × 2 = 108/80 - Add the two like fractions:
42/80 + 108/80 = 42 + 108/80 = 150/80 - 150/80 simplified gives 15/8
- So, 42/80 + 54/40 = 15/8
In mixed form: 17/8
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