Add 70/15 and 8/7, Solve 4 10/15 + 1 1/7 as a fraction

Add 70/15 and 8/7

1^st number: 4 10/15, 2^nd number: 1 1/7

70/15 + 8/7 is 122/21.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
70/15 = 70 × 7/15 × 7 = 490/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
8/7 = 8 × 15/7 × 15 = 120/105
Add the two like fractions:
490/105 + 120/105 = 490 + 120/105 = 610/105
610/105 simplified gives 122/21
So, 70/15 + 8/7 = 122/21
In mixed form: 517/21

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