Add 80/45 and 30/40
1st number: 1 35/45, 2nd number: 30/40
80/45 + 30/40 is 91/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
80/45 = 80 × 8/45 × 8 = 640/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
30/40 = 30 × 9/40 × 9 = 270/360 - Add the two like fractions:
640/360 + 270/360 = 640 + 270/360 = 910/360 - 910/360 simplified gives 91/36
- So, 80/45 + 30/40 = 91/36
In mixed form: 219/36
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