Add 72/60 and 45/20
1st number: 1 12/60, 2nd number: 2 5/20
72/60 + 45/20 is 69/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 20 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 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
72/60 + 135/60 = 72 + 135/60 = 207/60 - 207/60 simplified gives 69/20
- So, 72/60 + 45/20 = 69/20
In mixed form: 39/20
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