Add 7/84 and 81/10
1st number: 7/84, 2nd number: 8 1/10
7/84 + 81/10 is 491/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
81/10 = 81 × 42/10 × 42 = 3402/420 - Add the two like fractions:
35/420 + 3402/420 = 35 + 3402/420 = 3437/420 - 3437/420 simplified gives 491/60
- So, 7/84 + 81/10 = 491/60
In mixed form: 811/60
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