Add 64/45 and 30/40
1st number: 1 19/45, 2nd number: 30/40
64/45 + 30/40 is 391/180.
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,
64/45 = 64 × 8/45 × 8 = 512/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
30/40 = 30 × 9/40 × 9 = 270/360 - Add the two like fractions:
512/360 + 270/360 = 512 + 270/360 = 782/360 - 782/360 simplified gives 391/180
- So, 64/45 + 30/40 = 391/180
In mixed form: 231/180
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