Add 63/60 and 42/81
1st number: 1 3/60, 2nd number: 42/81
63/60 + 42/81 is 847/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
63/60 = 63 × 27/60 × 27 = 1701/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
42/81 = 42 × 20/81 × 20 = 840/1620 - Add the two like fractions:
1701/1620 + 840/1620 = 1701 + 840/1620 = 2541/1620 - 2541/1620 simplified gives 847/540
- So, 63/60 + 42/81 = 847/540
In mixed form: 1307/540
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