Add 20/15 and 72/8
1st number: 1 5/15, 2nd number: 9 0/8
20/15 + 72/8 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
20/15 = 20 × 8/15 × 8 = 160/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
72/8 = 72 × 15/8 × 15 = 1080/120 - Add the two like fractions:
160/120 + 1080/120 = 160 + 1080/120 = 1240/120 - 1240/120 simplified gives 31/3
- So, 20/15 + 72/8 = 31/3
In mixed form: 101/3
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