Add 70/30 and 21/20
1st number: 2 10/30, 2nd number: 1 1/20
70/30 + 21/20 is 203/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
70/30 = 70 × 2/30 × 2 = 140/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Add the two like fractions:
140/60 + 63/60 = 140 + 63/60 = 203/60 - So, 70/30 + 21/20 = 203/60
In mixed form: 323/60
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