Add 90/42 and 70/5
1st number: 2 6/42, 2nd number: 14 0/5
90/42 + 70/5 is 113/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
90/42 = 90 × 5/42 × 5 = 450/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
70/5 = 70 × 42/5 × 42 = 2940/210 - Add the two like fractions:
450/210 + 2940/210 = 450 + 2940/210 = 3390/210 - 3390/210 simplified gives 113/7
- So, 90/42 + 70/5 = 113/7
In mixed form: 161/7
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