Add 15/10 and 81/7, Solve 1 5/10 + 11 4/7 as a fraction

Add 15/10 and 81/7

1^st number: 1 5/10, 2^nd number: 11 4/7

15/10 + 81/7 is 183/14.

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,
81/7 = 81 × 10/7 × 10 = 810/70
Add the two like fractions:
105/70 + 810/70 = 105 + 810/70 = 915/70
915/70 simplified gives 183/14
So, 15/10 + 81/7 = 183/14
In mixed form: 131/14

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