Add 18/32 and 42/40
1st number: 18/32, 2nd number: 1 2/40
18/32 + 42/40 is 129/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
42/40 = 42 × 4/40 × 4 = 168/160 - Add the two like fractions:
90/160 + 168/160 = 90 + 168/160 = 258/160 - 258/160 simplified gives 129/80
- So, 18/32 + 42/40 = 129/80
In mixed form: 149/80
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