Add 81/63 and 81/60
1st number: 1 18/63, 2nd number: 1 21/60
81/63 + 81/60 is 369/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
81/63 = 81 × 20/63 × 20 = 1620/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
81/60 = 81 × 21/60 × 21 = 1701/1260 - Add the two like fractions:
1620/1260 + 1701/1260 = 1620 + 1701/1260 = 3321/1260 - 3321/1260 simplified gives 369/140
- So, 81/63 + 81/60 = 369/140
In mixed form: 289/140
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