Add 72/4 and 90/25
1st number: 18 0/4, 2nd number: 3 15/25
72/4 + 90/25 is 108/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
72/4 = 72 × 25/4 × 25 = 1800/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
90/25 = 90 × 4/25 × 4 = 360/100 - Add the two like fractions:
1800/100 + 360/100 = 1800 + 360/100 = 2160/100 - 2160/100 simplified gives 108/5
- So, 72/4 + 90/25 = 108/5
In mixed form: 213/5
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