Add 90/45 and 72/15
1st number: 2 0/45, 2nd number: 4 12/15
90/45 + 72/15 is 34/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
90/45 = 90 × 1/45 × 1 = 90/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
72/15 = 72 × 3/15 × 3 = 216/45 - Add the two like fractions:
90/45 + 216/45 = 90 + 216/45 = 306/45 - 306/45 simplified gives 34/5
- So, 90/45 + 72/15 = 34/5
In mixed form: 64/5
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