Add 81/63 and 10/40
1st number: 1 18/63, 2nd number: 10/40
81/63 + 10/40 is 43/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
81/63 = 81 × 40/63 × 40 = 3240/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
10/40 = 10 × 63/40 × 63 = 630/2520 - Add the two like fractions:
3240/2520 + 630/2520 = 3240 + 630/2520 = 3870/2520 - 3870/2520 simplified gives 43/28
- So, 81/63 + 10/40 = 43/28
In mixed form: 115/28
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