Add 28/42 and 45/10, Solve 28/42 + 4 5/10 as a fraction

Add 28/42 and 45/10

1^st number: 28/42, 2^nd number: 4 5/10

28/42 + 45/10 is 31/6.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
45/10 = 45 × 21/10 × 21 = 945/210
Add the two like fractions:
140/210 + 945/210 = 140 + 945/210 = 1085/210
1085/210 simplified gives 31/6
So, 28/42 + 45/10 = 31/6
In mixed form: 51/6

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