Add 9/60 and 81/42
1st number: 9/60, 2nd number: 1 39/42
9/60 + 81/42 is 291/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
81/42 = 81 × 10/42 × 10 = 810/420 - Add the two like fractions:
63/420 + 810/420 = 63 + 810/420 = 873/420 - 873/420 simplified gives 291/140
- So, 9/60 + 81/42 = 291/140
In mixed form: 211/140
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