Add 2/35 and 72/20, Solve 2/35 + 3 12/20 as a fraction

Add 2/35 and 72/20

1^st number: 2/35, 2^nd number: 3 12/20

2/35 + 72/20 is 128/35.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 35 × 4 = 140,
2/35 = 2 × 4/35 × 4 = 8/140
Likewise, for the 2nd fraction, since 20 × 7 = 140,
72/20 = 72 × 7/20 × 7 = 504/140
Add the two like fractions:
8/140 + 504/140 = 8 + 504/140 = 512/140
512/140 simplified gives 128/35
So, 2/35 + 72/20 = 128/35
In mixed form: 323/35

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