Add 42/70 and 45/10
1st number: 42/70, 2nd number: 4 5/10
42/70 + 45/10 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
45/10 = 45 × 7/10 × 7 = 315/70 - Add the two like fractions:
42/70 + 315/70 = 42 + 315/70 = 357/70 - 357/70 simplified gives 51/10
- So, 42/70 + 45/10 = 51/10
In mixed form: 51/10
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