Add 40/6 and 15/70, Solve 6 4/6 + 15/70 as a fraction

Add 40/6 and 15/70

1^st number: 6 4/6, 2^nd number: 15/70

40/6 + 15/70 is 289/42.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 6 × 35 = 210,
40/6 = 40 × 35/6 × 35 = 1400/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
15/70 = 15 × 3/70 × 3 = 45/210
Add the two like fractions:
1400/210 + 45/210 = 1400 + 45/210 = 1445/210
1445/210 simplified gives 289/42
So, 40/6 + 15/70 = 289/42
In mixed form: 637/42

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