Add 64/15 and 20/72
1st number: 4 4/15, 2nd number: 20/72
64/15 + 20/72 is 409/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
64/15 = 64 × 24/15 × 24 = 1536/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Add the two like fractions:
1536/360 + 100/360 = 1536 + 100/360 = 1636/360 - 1636/360 simplified gives 409/90
- So, 64/15 + 20/72 = 409/90
In mixed form: 449/90
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