Add 84/30 and 72/40
1st number: 2 24/30, 2nd number: 1 32/40
84/30 + 72/40 is 23/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
84/30 = 84 × 4/30 × 4 = 336/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120 - Add the two like fractions:
336/120 + 216/120 = 336 + 216/120 = 552/120 - 552/120 simplified gives 23/5
- So, 84/30 + 72/40 = 23/5
In mixed form: 43/5
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