Add 40/10 and 15/8
1st number: 4 0/10, 2nd number: 1 7/8
40/10 + 15/8 is 47/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
40/10 = 40 × 4/10 × 4 = 160/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
15/8 = 15 × 5/8 × 5 = 75/40 - Add the two like fractions:
160/40 + 75/40 = 160 + 75/40 = 235/40 - 235/40 simplified gives 47/8
- So, 40/10 + 15/8 = 47/8
In mixed form: 57/8
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