Add 49/42 and 90/70
1st number: 1 7/42, 2nd number: 1 20/70
49/42 + 90/70 is 103/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
49/42 = 49 × 5/42 × 5 = 245/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
245/210 + 270/210 = 245 + 270/210 = 515/210 - 515/210 simplified gives 103/42
- So, 49/42 + 90/70 = 103/42
In mixed form: 219/42
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