Add 75/21 and 98/49, Solve 3 12/21 + 2 0/49 as a fraction

Add 75/21 and 98/49

1^st number: 3 12/21, 2^nd number: 2 0/49

75/21 + 98/49 is 39/7.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147

Next, find the equivalent fraction of both fractional numbers with denominator 147
For the 1st fraction, since 21 × 7 = 147,
75/21 = 75 × 7/21 × 7 = 525/147
Likewise, for the 2nd fraction, since 49 × 3 = 147,
98/49 = 98 × 3/49 × 3 = 294/147
Add the two like fractions:
525/147 + 294/147 = 525 + 294/147 = 819/147
819/147 simplified gives 39/7
So, 75/21 + 98/49 = 39/7
In mixed form: 54/7

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