Add 42/70 and 75/30
1st number: 42/70, 2nd number: 2 15/30
42/70 + 75/30 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 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 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210 - Add the two like fractions:
126/210 + 525/210 = 126 + 525/210 = 651/210 - 651/210 simplified gives 31/10
- So, 42/70 + 75/30 = 31/10
In mixed form: 31/10
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