Add 20/75 and 81/40, Solve 20/75 + 2 1/40 as a fraction

Add 20/75 and 81/40

1^st number: 20/75, 2^nd number: 2 1/40

20/75 + 81/40 is 55/24.

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,
20/75 = 20 × 8/75 × 8 = 160/600
Likewise, for the 2nd fraction, since 40 × 15 = 600,
81/40 = 81 × 15/40 × 15 = 1215/600
Add the two like fractions:
160/600 + 1215/600 = 160 + 1215/600 = 1375/600
1375/600 simplified gives 55/24
So, 20/75 + 81/40 = 55/24
In mixed form: 27/24

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