Subtract 63/70 from 54/16, Solve 3 6/16

Subtract 63/70 from 54/16

1^st number: 3 6/16, 2^nd number: 63/70

54/16 - 63/70 is 99/40.

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,
54/16 = 54 × 35/16 × 35 = 1890/560
Likewise, for the 2nd fraction, since 70 × 8 = 560,
63/70 = 63 × 8/70 × 8 = 504/560
Subtract the two like fractions:
1890/560 - 504/560 = 1890 - 504/560 = 1386/560
After reducing the fraction, the answer is 99/40
In mixed form: 219/40

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