Add 27/70 and 63/16, Solve 27/70 + 3 15/16 as a fraction

Add 27/70 and 63/16

1^st number: 27/70, 2^nd number: 3 15/16

27/70 + 63/16 is 2421/560.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 70 × 8 = 560,
27/70 = 27 × 8/70 × 8 = 216/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
63/16 = 63 × 35/16 × 35 = 2205/560
Add the two like fractions:
216/560 + 2205/560 = 216 + 2205/560 = 2421/560
So, 27/70 + 63/16 = 2421/560
In mixed form: 4181/560

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