Add 72/20 and 7/35
1st number: 3 12/20, 2nd number: 7/35
72/20 + 7/35 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
72/20 = 72 × 7/20 × 7 = 504/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
7/35 = 7 × 4/35 × 4 = 28/140 - Add the two like fractions:
504/140 + 28/140 = 504 + 28/140 = 532/140 - 532/140 simplified gives 19/5
- So, 72/20 + 7/35 = 19/5
In mixed form: 34/5
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