Add 15/8 and 3/84, Solve 1 7/8 + 3/84 as a fraction

Add 15/8 and 3/84

1^st number: 1 7/8, 2^nd number: 3/84

15/8 + 3/84 is 107/56.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
15/8 = 15 × 21/8 × 21 = 315/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
3/84 = 3 × 2/84 × 2 = 6/168
Add the two like fractions:
315/168 + 6/168 = 315 + 6/168 = 321/168
321/168 simplified gives 107/56
So, 15/8 + 3/84 = 107/56
In mixed form: 151/56

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