Add 8/90 and 72/40
1st number: 8/90, 2nd number: 1 32/40
8/90 + 72/40 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
8/90 = 8 × 4/90 × 4 = 32/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Add the two like fractions:
32/360 + 648/360 = 32 + 648/360 = 680/360 - 680/360 simplified gives 17/9
- So, 8/90 + 72/40 = 17/9
In mixed form: 18/9
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