Add 15/3 and 40/70
1st number: 5 0/3, 2nd number: 40/70
15/3 + 40/70 is 39/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
15/3 = 15 × 70/3 × 70 = 1050/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
40/70 = 40 × 3/70 × 3 = 120/210 - Add the two like fractions:
1050/210 + 120/210 = 1050 + 120/210 = 1170/210 - 1170/210 simplified gives 39/7
- So, 15/3 + 40/70 = 39/7
In mixed form: 54/7
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