Add 81/20 and 70/60
1st number: 4 1/20, 2nd number: 1 10/60
81/20 + 70/60 is 313/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
81/20 = 81 × 3/20 × 3 = 243/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
70/60 = 70 × 1/60 × 1 = 70/60 - Add the two like fractions:
243/60 + 70/60 = 243 + 70/60 = 313/60 - So, 81/20 + 70/60 = 313/60
In mixed form: 513/60
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