Add 7/70 and 63/42
1st number: 7/70, 2nd number: 1 21/42
7/70 + 63/42 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
7/70 = 7 × 3/70 × 3 = 21/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
63/42 = 63 × 5/42 × 5 = 315/210 - Add the two like fractions:
21/210 + 315/210 = 21 + 315/210 = 336/210 - 336/210 simplified gives 8/5
- So, 7/70 + 63/42 = 8/5
In mixed form: 13/5
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