Add 21/35 and 7/10
21/35 + 7/10 is 13/10.
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,
7/10 = 7 × 7/10 × 7 = 49/70 - Add the two like fractions:
42/70 + 49/70 = 42 + 49/70 = 91/70 - 91/70 simplified gives 13/10
- So, 21/35 + 7/10 = 13/10
In mixed form: 13/10
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