Add 15/80 and 72/60
1st number: 15/80, 2nd number: 1 12/60
15/80 + 72/60 is 111/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
72/60 = 72 × 4/60 × 4 = 288/240 - Add the two like fractions:
45/240 + 288/240 = 45 + 288/240 = 333/240 - 333/240 simplified gives 111/80
- So, 15/80 + 72/60 = 111/80
In mixed form: 131/80
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