Add 7/4 and 60/21, Solve 1 3/4 + 2 18/21 as a fraction

Add 7/4 and 60/21

1^st number: 1 3/4, 2^nd number: 2 18/21

7/4 + 60/21 is 129/28.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
7/4 = 7 × 21/4 × 21 = 147/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
60/21 = 60 × 4/21 × 4 = 240/84
Add the two like fractions:
147/84 + 240/84 = 147 + 240/84 = 387/84
387/84 simplified gives 129/28
So, 7/4 + 60/21 = 129/28
In mixed form: 417/28

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