Add 72/12 and 49/20
1st number: 6 0/12, 2nd number: 2 9/20
72/12 + 49/20 is 169/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
72/12 = 72 × 5/12 × 5 = 360/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
49/20 = 49 × 3/20 × 3 = 147/60 - Add the two like fractions:
360/60 + 147/60 = 360 + 147/60 = 507/60 - 507/60 simplified gives 169/20
- So, 72/12 + 49/20 = 169/20
In mixed form: 89/20
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