Add 70/5 and 63/42
1st number: 14 0/5, 2nd number: 1 21/42
70/5 + 63/42 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
70/5 = 70 × 42/5 × 42 = 2940/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
63/42 = 63 × 5/42 × 5 = 315/210 - Add the two like fractions:
2940/210 + 315/210 = 2940 + 315/210 = 3255/210 - 3255/210 simplified gives 31/2
- So, 70/5 + 63/42 = 31/2
In mixed form: 151/2
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