Add 72/40 and 27/18
1st number: 1 32/40, 2nd number: 1 9/18
72/40 + 27/18 is 33/10.
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,
72/40 = 72 × 9/40 × 9 = 648/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
27/18 = 27 × 20/18 × 20 = 540/360 - Add the two like fractions:
648/360 + 540/360 = 648 + 540/360 = 1188/360 - 1188/360 simplified gives 33/10
- So, 72/40 + 27/18 = 33/10
In mixed form: 33/10
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