Add 45/12 and 45/35, Solve 3 9/12 + 1 10/35 as a fraction

Add 45/12 and 45/35

1^st number: 3 9/12, 2^nd number: 1 10/35

45/12 + 45/35 is 141/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
45/12 = 45 × 35/12 × 35 = 1575/420
Likewise, for the 2nd fraction, since 35 × 12 = 420,
45/35 = 45 × 12/35 × 12 = 540/420
Add the two like fractions:
1575/420 + 540/420 = 1575 + 540/420 = 2115/420
2115/420 simplified gives 141/28
So, 45/12 + 45/35 = 141/28
In mixed form: 51/28

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