Add 84/10 and 7/45
1st number: 8 4/10, 2nd number: 7/45
84/10 + 7/45 is 77/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Add the two like fractions:
756/90 + 14/90 = 756 + 14/90 = 770/90 - 770/90 simplified gives 77/9
- So, 84/10 + 7/45 = 77/9
In mixed form: 85/9
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