Add 72/9 and 40/10
1st number: 8 0/9, 2nd number: 4 0/10
72/9 + 40/10 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
72/9 = 72 × 10/9 × 10 = 720/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
40/10 = 40 × 9/10 × 9 = 360/90 - Add the two like fractions:
720/90 + 360/90 = 720 + 360/90 = 1080/90 - 1080/90 simplified gives 12/1
- So, 72/9 + 40/10 = 12/1
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