Add 72/60 and 45/12
1st number: 1 12/60, 2nd number: 3 9/12
72/60 + 45/12 is 99/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
72/60 = 72 × 1/60 × 1 = 72/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Add the two like fractions:
72/60 + 225/60 = 72 + 225/60 = 297/60 - 297/60 simplified gives 99/20
- So, 72/60 + 45/12 = 99/20
In mixed form: 419/20
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