Add 30/35 and 21/10
1st number: 30/35, 2nd number: 2 1/10
30/35 + 21/10 is 207/70.
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,
30/35 = 30 × 2/35 × 2 = 60/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Add the two like fractions:
60/70 + 147/70 = 60 + 147/70 = 207/70 - So, 30/35 + 21/10 = 207/70
In mixed form: 267/70
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