Add 70/75 and 21/16, Solve 70/75 + 1 5/16 as a fraction

Add 70/75 and 21/16

1^st number: 70/75, 2^nd number: 1 5/16

70/75 + 21/16 is 539/240.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 75 × 16 = 1200,
70/75 = 70 × 16/75 × 16 = 1120/1200
Likewise, for the 2nd fraction, since 16 × 75 = 1200,
21/16 = 21 × 75/16 × 75 = 1575/1200
Add the two like fractions:
1120/1200 + 1575/1200 = 1120 + 1575/1200 = 2695/1200
2695/1200 simplified gives 539/240
So, 70/75 + 21/16 = 539/240
In mixed form: 259/240

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