Add 40/72 and 60/45
1st number: 40/72, 2nd number: 1 15/45
40/72 + 60/45 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
60/45 = 60 × 8/45 × 8 = 480/360 - Add the two like fractions:
200/360 + 480/360 = 200 + 480/360 = 680/360 - 680/360 simplified gives 17/9
- So, 40/72 + 60/45 = 17/9
In mixed form: 18/9
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