Add 81/8 and 84/45
1st number: 10 1/8, 2nd number: 1 39/45
81/8 + 84/45 is 1439/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
81/8 = 81 × 45/8 × 45 = 3645/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
84/45 = 84 × 8/45 × 8 = 672/360 - Add the two like fractions:
3645/360 + 672/360 = 3645 + 672/360 = 4317/360 - 4317/360 simplified gives 1439/120
- So, 81/8 + 84/45 = 1439/120
In mixed form: 11119/120
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