Add 7/20 and 90/8
1st number: 7/20, 2nd number: 11 2/8
7/20 + 90/8 is 58/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
7/20 = 7 × 2/20 × 2 = 14/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
90/8 = 90 × 5/8 × 5 = 450/40 - Add the two like fractions:
14/40 + 450/40 = 14 + 450/40 = 464/40 - 464/40 simplified gives 58/5
- So, 7/20 + 90/8 = 58/5
In mixed form: 113/5
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