Add 72/4 and 90/40
1st number: 18 0/4, 2nd number: 2 10/40
72/4 + 90/40 is 81/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
72/4 = 72 × 10/4 × 10 = 720/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Add the two like fractions:
720/40 + 90/40 = 720 + 90/40 = 810/40 - 810/40 simplified gives 81/4
- So, 72/4 + 90/40 = 81/4
In mixed form: 201/4
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