Subtract 5/70 from 63/16, Solve 3 15/16

Subtract 5/70 from 63/16

1^st number: 3 15/16, 2^nd number: 5/70

63/16 - 5/70 is 433/112.

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,
5/70 = 5 × 8/70 × 8 = 40/560
Subtract the two like fractions:
2205/560 - 40/560 = 2205 - 40/560 = 2165/560
After reducing the fraction, the answer is 433/112
In mixed form: 397/112

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