Add 40/70 and 5/7
40/70 + 5/7 is 9/7.
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,
5/7 = 5 × 10/7 × 10 = 50/70 - Add the two like fractions:
40/70 + 50/70 = 40 + 50/70 = 90/70 - 90/70 simplified gives 9/7
- So, 40/70 + 5/7 = 9/7
In mixed form: 12/7
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