Add 42/70 and 15/3
1st number: 42/70, 2nd number: 5 0/3
42/70 + 15/3 is 28/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
42/70 = 42 × 3/70 × 3 = 126/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
15/3 = 15 × 70/3 × 70 = 1050/210 - Add the two like fractions:
126/210 + 1050/210 = 126 + 1050/210 = 1176/210 - 1176/210 simplified gives 28/5
- So, 42/70 + 15/3 = 28/5
In mixed form: 53/5
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