Add 18/75 and 42/40
1st number: 18/75, 2nd number: 1 2/40
18/75 + 42/40 is 129/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
18/75 = 18 × 8/75 × 8 = 144/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
42/40 = 42 × 15/40 × 15 = 630/600 - Add the two like fractions:
144/600 + 630/600 = 144 + 630/600 = 774/600 - 774/600 simplified gives 129/100
- So, 18/75 + 42/40 = 129/100
In mixed form: 129/100
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