Add 70/21 and 9/32, Solve 3 7/21 + 9/32 as a fraction

Add 70/21 and 9/32

1^st number: 3 7/21, 2^nd number: 9/32

70/21 + 9/32 is 347/96.

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

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 21 × 32 = 672,
70/21 = 70 × 32/21 × 32 = 2240/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
9/32 = 9 × 21/32 × 21 = 189/672
Add the two like fractions:
2240/672 + 189/672 = 2240 + 189/672 = 2429/672
2429/672 simplified gives 347/96
So, 70/21 + 9/32 = 347/96
In mixed form: 359/96

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