Add 60/70 and 56/21
1st number: 60/70, 2nd number: 2 14/21
60/70 + 56/21 is 74/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
60/70 = 60 × 3/70 × 3 = 180/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
56/21 = 56 × 10/21 × 10 = 560/210 - Add the two like fractions:
180/210 + 560/210 = 180 + 560/210 = 740/210 - 740/210 simplified gives 74/21
- So, 60/70 + 56/21 = 74/21
In mixed form: 311/21
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