Add 72/40 and 84/6
1st number: 1 32/40, 2nd number: 14 0/6
72/40 + 84/6 is 79/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
84/6 = 84 × 20/6 × 20 = 1680/120 - Add the two like fractions:
216/120 + 1680/120 = 216 + 1680/120 = 1896/120 - 1896/120 simplified gives 79/5
- So, 72/40 + 84/6 = 79/5
In mixed form: 154/5
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