Add 7/4 and 21/56, Solve 1 3/4 + 21/56 as a fraction

Add 7/4 and 21/56

1^st number: 1 3/4, 2^nd number: 21/56

7/4 + 21/56 is 17/8.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 4 × 14 = 56,
7/4 = 7 × 14/4 × 14 = 98/56
Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56
Add the two like fractions:
98/56 + 21/56 = 98 + 21/56 = 119/56
119/56 simplified gives 17/8
So, 7/4 + 21/56 = 17/8
In mixed form: 21/8

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