Add 70/42 and 21/32, Solve 1 28/42 + 21/32 as a fraction

Add 70/42 and 21/32

1^st number: 1 28/42, 2^nd number: 21/32

70/42 + 21/32 is 223/96.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 42 × 16 = 672,
70/42 = 70 × 16/42 × 16 = 1120/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
21/32 = 21 × 21/32 × 21 = 441/672
Add the two like fractions:
1120/672 + 441/672 = 1120 + 441/672 = 1561/672
1561/672 simplified gives 223/96
So, 70/42 + 21/32 = 223/96
In mixed form: 231/96

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