Add 90/40 and 2/5
1st number: 2 10/40, 2nd number: 2/5
90/40 + 2/5 is 53/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
2/5 = 2 × 8/5 × 8 = 16/40 - Add the two like fractions:
90/40 + 16/40 = 90 + 16/40 = 106/40 - 106/40 simplified gives 53/20
- So, 90/40 + 2/5 = 53/20
In mixed form: 213/20
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