Subtract 16/63 from 49/20, Solve 2 9/20

Subtract 16/63 from 49/20

1^st number: 2 9/20, 2^nd number: 16/63

49/20 - 16/63 is 2767/1260.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 20 × 63 = 1260,
49/20 = 49 × 63/20 × 63 = 3087/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
16/63 = 16 × 20/63 × 20 = 320/1260
Subtract the two like fractions:
3087/1260 - 320/1260 = 3087 - 320/1260 = 2767/1260
In mixed form: 2247/1260

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