Add 84/15 and 10/40
1st number: 5 9/15, 2nd number: 10/40
84/15 + 10/40 is 117/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
84/15 = 84 × 8/15 × 8 = 672/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
10/40 = 10 × 3/40 × 3 = 30/120 - Add the two like fractions:
672/120 + 30/120 = 672 + 30/120 = 702/120 - 702/120 simplified gives 117/20
- So, 84/15 + 10/40 = 117/20
In mixed form: 517/20
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