Add 90/16 and 21/56, Solve 5 10/16 + 21/56 as a fraction

Add 90/16 and 21/56

1^st number: 5 10/16, 2^nd number: 21/56

90/16 + 21/56 is 6/1.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 56 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 16 × 7 = 112,
90/16 = 90 × 7/16 × 7 = 630/112
Likewise, for the 2nd fraction, since 56 × 2 = 112,
21/56 = 21 × 2/56 × 2 = 42/112
Add the two like fractions:
630/112 + 42/112 = 630 + 42/112 = 672/112
672/112 simplified gives 6/1
So, 90/16 + 21/56 = 6/1

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