Add 72/90 and 90/24
1st number: 72/90, 2nd number: 3 18/24
72/90 + 90/24 is 91/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
72/90 = 72 × 4/90 × 4 = 288/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
90/24 = 90 × 15/24 × 15 = 1350/360 - Add the two like fractions:
288/360 + 1350/360 = 288 + 1350/360 = 1638/360 - 1638/360 simplified gives 91/20
- So, 72/90 + 90/24 = 91/20
In mixed form: 411/20
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