Add 40/70 and 81/7
1st number: 40/70, 2nd number: 11 4/7
40/70 + 81/7 is 85/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
40/70 = 40 × 1/70 × 1 = 40/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
81/7 = 81 × 10/7 × 10 = 810/70 - Add the two like fractions:
40/70 + 810/70 = 40 + 810/70 = 850/70 - 850/70 simplified gives 85/7
- So, 40/70 + 81/7 = 85/7
In mixed form: 121/7
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