Add 84/4 and 16/70, Solve 21 0/4 + 16/70 as a fraction

Add 84/4 and 16/70

1^st number: 21 0/4, 2^nd number: 16/70

84/4 + 16/70 is 743/35.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 4 × 35 = 140,
84/4 = 84 × 35/4 × 35 = 2940/140
Likewise, for the 2nd fraction, since 70 × 2 = 140,
16/70 = 16 × 2/70 × 2 = 32/140
Add the two like fractions:
2940/140 + 32/140 = 2940 + 32/140 = 2972/140
2972/140 simplified gives 743/35
So, 84/4 + 16/70 = 743/35
In mixed form: 218/35

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