Add 90/7 and 40/10
1st number: 12 6/7, 2nd number: 4 0/10
90/7 + 40/10 is 118/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
90/7 = 90 × 10/7 × 10 = 900/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
40/10 = 40 × 7/10 × 7 = 280/70 - Add the two like fractions:
900/70 + 280/70 = 900 + 280/70 = 1180/70 - 1180/70 simplified gives 118/7
- So, 90/7 + 40/10 = 118/7
In mixed form: 166/7
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