Add 64/15 and 90/72
1st number: 4 4/15, 2nd number: 1 18/72
64/15 + 90/72 is 331/60.
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,
90/72 = 90 × 5/72 × 5 = 450/360 - Add the two like fractions:
1536/360 + 450/360 = 1536 + 450/360 = 1986/360 - 1986/360 simplified gives 331/60
- So, 64/15 + 90/72 = 331/60
In mixed form: 531/60
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