Add 27/28 and 70/15, Solve 27/28 + 4 10/15 as a fraction

Add 27/28 and 70/15

1^st number: 27/28, 2^nd number: 4 10/15

27/28 + 70/15 is 473/84.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 28 × 15 = 420,
27/28 = 27 × 15/28 × 15 = 405/420
Likewise, for the 2nd fraction, since 15 × 28 = 420,
70/15 = 70 × 28/15 × 28 = 1960/420
Add the two like fractions:
405/420 + 1960/420 = 405 + 1960/420 = 2365/420
2365/420 simplified gives 473/84
So, 27/28 + 70/15 = 473/84
In mixed form: 553/84

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