Add 80/72 and 5/20
1st number: 1 8/72, 2nd number: 5/20
80/72 + 5/20 is 49/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
80/72 = 80 × 5/72 × 5 = 400/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
5/20 = 5 × 18/20 × 18 = 90/360 - Add the two like fractions:
400/360 + 90/360 = 400 + 90/360 = 490/360 - 490/360 simplified gives 49/36
- So, 80/72 + 5/20 = 49/36
In mixed form: 113/36
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