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