Add 72/12 and 90/5
1st number: 6 0/12, 2nd number: 18 0/5
72/12 + 90/5 is 24/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
72/12 = 72 × 5/12 × 5 = 360/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
90/5 = 90 × 12/5 × 12 = 1080/60 - Add the two like fractions:
360/60 + 1080/60 = 360 + 1080/60 = 1440/60 - 1440/60 simplified gives 24/1
- So, 72/12 + 90/5 = 24/1
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