Add 2/40 and 72/18
1st number: 2/40, 2nd number: 4 0/18
2/40 + 72/18 is 81/20.
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,
2/40 = 2 × 9/40 × 9 = 18/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
72/18 = 72 × 20/18 × 20 = 1440/360 - Add the two like fractions:
18/360 + 1440/360 = 18 + 1440/360 = 1458/360 - 1458/360 simplified gives 81/20
- So, 2/40 + 72/18 = 81/20
In mixed form: 41/20
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