Add 27/32 and 70/21, Solve 27/32 + 3 7/21 as a fraction

Add 27/32 and 70/21

1^st number: 27/32, 2^nd number: 3 7/21

27/32 + 70/21 is 401/96.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 32 × 21 = 672,
27/32 = 27 × 21/32 × 21 = 567/672
Likewise, for the 2nd fraction, since 21 × 32 = 672,
70/21 = 70 × 32/21 × 32 = 2240/672
Add the two like fractions:
567/672 + 2240/672 = 567 + 2240/672 = 2807/672
2807/672 simplified gives 401/96
So, 27/32 + 70/21 = 401/96
In mixed form: 417/96

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