Add 21/60 and 70/30
1st number: 21/60, 2nd number: 2 10/30
21/60 + 70/30 is 161/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
70/30 = 70 × 2/30 × 2 = 140/60 - Add the two like fractions:
21/60 + 140/60 = 21 + 140/60 = 161/60 - So, 21/60 + 70/30 = 161/60
In mixed form: 241/60
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