Add 30/40 and 54/45
1st number: 30/40, 2nd number: 1 9/45
30/40 + 54/45 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
30/40 = 30 × 9/40 × 9 = 270/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
54/45 = 54 × 8/45 × 8 = 432/360 - Add the two like fractions:
270/360 + 432/360 = 270 + 432/360 = 702/360 - 702/360 simplified gives 39/20
- So, 30/40 + 54/45 = 39/20
In mixed form: 119/20
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