Add 60/70 and 40/15
1st number: 60/70, 2nd number: 2 10/15
60/70 + 40/15 is 74/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 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 15 × 14 = 210,
40/15 = 40 × 14/15 × 14 = 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 + 40/15 = 74/21
In mixed form: 311/21
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