Add 25/16 and 35/21, Solve 1 9/16 + 1 14/21 as a fraction

Add 25/16 and 35/21

1^st number: 1 9/16, 2^nd number: 1 14/21

25/16 + 35/21 is 155/48.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
25/16 = 25 × 21/16 × 21 = 525/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
35/21 = 35 × 16/21 × 16 = 560/336
Add the two like fractions:
525/336 + 560/336 = 525 + 560/336 = 1085/336
1085/336 simplified gives 155/48
So, 25/16 + 35/21 = 155/48
In mixed form: 311/48

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