Add 30/8 and 72/70
1st number: 3 6/8, 2nd number: 1 2/70
30/8 + 72/70 is 669/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
30/8 = 30 × 35/8 × 35 = 1050/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
72/70 = 72 × 4/70 × 4 = 288/280 - Add the two like fractions:
1050/280 + 288/280 = 1050 + 288/280 = 1338/280 - 1338/280 simplified gives 669/140
- So, 30/8 + 72/70 = 669/140
In mixed form: 4109/140
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