Add 72/36 and 90/45
1st number: 2 0/36, 2nd number: 2 0/45
72/36 + 90/45 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
72/36 = 72 × 5/36 × 5 = 360/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
90/45 = 90 × 4/45 × 4 = 360/180 - Add the two like fractions:
360/180 + 360/180 = 360 + 360/180 = 720/180 - 720/180 simplified gives 4/1
- So, 72/36 + 90/45 = 4/1
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