Add 9/10 and 20/40
9/10 + 20/40 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
9/10 = 9 × 4/10 × 4 = 36/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
20/40 = 20 × 1/40 × 1 = 20/40 - Add the two like fractions:
36/40 + 20/40 = 36 + 20/40 = 56/40 - 56/40 simplified gives 7/5
- So, 9/10 + 20/40 = 7/5
In mixed form: 12/5
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