Add 25/21 and 27/72, Solve 1 4/21 + 27/72 as a fraction

Add 25/21 and 27/72

1^st number: 1 4/21, 2^nd number: 27/72

25/21 + 27/72 is 263/168.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 21 × 24 = 504,
25/21 = 25 × 24/21 × 24 = 600/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
27/72 = 27 × 7/72 × 7 = 189/504
Add the two like fractions:
600/504 + 189/504 = 600 + 189/504 = 789/504
789/504 simplified gives 263/168
So, 25/21 + 27/72 = 263/168
In mixed form: 195/168

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