Add 15/10 and 28/7, Solve 1 5/10 + 4 0/7 as a fraction

Add 15/10 and 28/7

1^st number: 1 5/10, 2^nd number: 4 0/7

15/10 + 28/7 is 11/2.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70
Likewise, for the 2nd fraction, since 7 × 10 = 70,
28/7 = 28 × 10/7 × 10 = 280/70
Add the two like fractions:
105/70 + 280/70 = 105 + 280/70 = 385/70
385/70 simplified gives 11/2
So, 15/10 + 28/7 = 11/2
In mixed form: 51/2

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