Add 63/16 and 28/70, Solve 3 15/16 + 28/70 as a fraction

Add 63/16 and 28/70

1^st number: 3 15/16, 2^nd number: 28/70

63/16 + 28/70 is 347/80.

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

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 16 × 35 = 560,
63/16 = 63 × 35/16 × 35 = 2205/560
Likewise, for the 2nd fraction, since 70 × 8 = 560,
28/70 = 28 × 8/70 × 8 = 224/560
Add the two like fractions:
2205/560 + 224/560 = 2205 + 224/560 = 2429/560
2429/560 simplified gives 347/80
So, 63/16 + 28/70 = 347/80
In mixed form: 427/80

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