Add 9/10 and 21/35
9/10 + 21/35 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
9/10 = 9 × 7/10 × 7 = 63/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
21/35 = 21 × 2/35 × 2 = 42/70 - Add the two like fractions:
63/70 + 42/70 = 63 + 42/70 = 105/70 - 105/70 simplified gives 3/2
- So, 9/10 + 21/35 = 3/2
In mixed form: 11/2
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