Add 84/8 and 72/30
1st number: 10 4/8, 2nd number: 2 12/30
84/8 + 72/30 is 129/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
84/8 = 84 × 15/8 × 15 = 1260/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
72/30 = 72 × 4/30 × 4 = 288/120 - Add the two like fractions:
1260/120 + 288/120 = 1260 + 288/120 = 1548/120 - 1548/120 simplified gives 129/10
- So, 84/8 + 72/30 = 129/10
In mixed form: 129/10
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