Add 72/20 and 84/35
1st number: 3 12/20, 2nd number: 2 14/35
72/20 + 84/35 is 6/1.
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,
84/35 = 84 × 4/35 × 4 = 336/140 - Add the two like fractions:
504/140 + 336/140 = 504 + 336/140 = 840/140 - 840/140 simplified gives 6/1
- So, 72/20 + 84/35 = 6/1
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