Add 81/10 and 42/9
1st number: 8 1/10, 2nd number: 4 6/9
81/10 + 42/9 is 383/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
81/10 = 81 × 9/10 × 9 = 729/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90 - Add the two like fractions:
729/90 + 420/90 = 729 + 420/90 = 1149/90 - 1149/90 simplified gives 383/30
- So, 81/10 + 42/9 = 383/30
In mixed form: 1223/30
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