Add 15/12 and 2/70, Solve 1 3/12 + 2/70 as a fraction

Add 15/12 and 2/70

1^st number: 1 3/12, 2^nd number: 2/70

15/12 + 2/70 is 179/140.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
15/12 = 15 × 35/12 × 35 = 525/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
2/70 = 2 × 6/70 × 6 = 12/420
Add the two like fractions:
525/420 + 12/420 = 525 + 12/420 = 537/420
537/420 simplified gives 179/140
So, 15/12 + 2/70 = 179/140
In mixed form: 139/140

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