Add 70/30 and 40/70
1st number: 2 10/30, 2nd number: 40/70
70/30 + 40/70 is 61/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
40/70 = 40 × 3/70 × 3 = 120/210 - Add the two like fractions:
490/210 + 120/210 = 490 + 120/210 = 610/210 - 610/210 simplified gives 61/21
- So, 70/30 + 40/70 = 61/21
In mixed form: 219/21
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