Add 60/30 and 3/21
1st number: 2 0/30, 2nd number: 3/21
60/30 + 3/21 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
60/30 = 60 × 7/30 × 7 = 420/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
3/21 = 3 × 10/21 × 10 = 30/210 - Add the two like fractions:
420/210 + 30/210 = 420 + 30/210 = 450/210 - 450/210 simplified gives 15/7
- So, 60/30 + 3/21 = 15/7
In mixed form: 21/7
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