Add 28/21 and 48/5, Solve 1 7/21 + 9 3/5 as a fraction

Add 28/21 and 48/5

1^st number: 1 7/21, 2^nd number: 9 3/5

28/21 + 48/5 is 164/15.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
28/21 = 28 × 5/21 × 5 = 140/105
Likewise, for the 2nd fraction, since 5 × 21 = 105,
48/5 = 48 × 21/5 × 21 = 1008/105
Add the two like fractions:
140/105 + 1008/105 = 140 + 1008/105 = 1148/105
1148/105 simplified gives 164/15
So, 28/21 + 48/5 = 164/15
In mixed form: 1014/15

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