Add 70/42 and 63/21
1st number: 1 28/42, 2nd number: 3 0/21
70/42 + 63/21 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
70/42 = 70 × 1/42 × 1 = 70/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
63/21 = 63 × 2/21 × 2 = 126/42 - Add the two like fractions:
70/42 + 126/42 = 70 + 126/42 = 196/42 - 196/42 simplified gives 14/3
- So, 70/42 + 63/21 = 14/3
In mixed form: 42/3
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