Add 72/80 and 56/18
1st number: 72/80, 2nd number: 3 2/18
72/80 + 56/18 is 361/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
72/80 = 72 × 9/80 × 9 = 648/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
56/18 = 56 × 40/18 × 40 = 2240/720 - Add the two like fractions:
648/720 + 2240/720 = 648 + 2240/720 = 2888/720 - 2888/720 simplified gives 361/90
- So, 72/80 + 56/18 = 361/90
In mixed form: 41/90
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