Add 3/40 and 9/5
1st number: 3/40, 2nd number: 1 4/5
3/40 + 9/5 is 15/8.
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,
3/40 = 3 × 1/40 × 1 = 3/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
9/5 = 9 × 8/5 × 8 = 72/40 - Add the two like fractions:
3/40 + 72/40 = 3 + 72/40 = 75/40 - 75/40 simplified gives 15/8
- So, 3/40 + 9/5 = 15/8
In mixed form: 17/8
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