Add 81/60 and 18/14
1st number: 1 21/60, 2nd number: 1 4/14
81/60 + 18/14 is 369/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
81/60 = 81 × 7/60 × 7 = 567/420 - Likewise, for the 2nd fraction, since 14 × 30 = 420,
18/14 = 18 × 30/14 × 30 = 540/420 - Add the two like fractions:
567/420 + 540/420 = 567 + 540/420 = 1107/420 - 1107/420 simplified gives 369/140
- So, 81/60 + 18/14 = 369/140
In mixed form: 289/140
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