Add 20/75 and 15/7, Solve 20/75 + 2 1/7 as a fraction

Add 20/75 and 15/7

1^st number: 20/75, 2^nd number: 2 1/7

20/75 + 15/7 is 253/105.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 75 × 7 = 525,
20/75 = 20 × 7/75 × 7 = 140/525
Likewise, for the 2nd fraction, since 7 × 75 = 525,
15/7 = 15 × 75/7 × 75 = 1125/525
Add the two like fractions:
140/525 + 1125/525 = 140 + 1125/525 = 1265/525
1265/525 simplified gives 253/105
So, 20/75 + 15/7 = 253/105
In mixed form: 243/105

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