Add 40/5 and 30/7
1st number: 8 0/5, 2nd number: 4 2/7
40/5 + 30/7 is 86/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
40/5 = 40 × 7/5 × 7 = 280/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
30/7 = 30 × 5/7 × 5 = 150/35 - Add the two like fractions:
280/35 + 150/35 = 280 + 150/35 = 430/35 - 430/35 simplified gives 86/7
- So, 40/5 + 30/7 = 86/7
In mixed form: 122/7
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