Add 84/40 and 72/18
1st number: 2 4/40, 2nd number: 4 0/18
84/40 + 72/18 is 61/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
84/40 = 84 × 9/40 × 9 = 756/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
72/18 = 72 × 20/18 × 20 = 1440/360 - Add the two like fractions:
756/360 + 1440/360 = 756 + 1440/360 = 2196/360 - 2196/360 simplified gives 61/10
- So, 84/40 + 72/18 = 61/10
In mixed form: 61/10
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