Add 45/40 and 54/72
1st number: 1 5/40, 2nd number: 54/72
45/40 + 54/72 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
45/40 = 45 × 9/40 × 9 = 405/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
54/72 = 54 × 5/72 × 5 = 270/360 - Add the two like fractions:
405/360 + 270/360 = 405 + 270/360 = 675/360 - 675/360 simplified gives 15/8
- So, 45/40 + 54/72 = 15/8
In mixed form: 17/8
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