Add 1/70 and 42/40
1st number: 1/70, 2nd number: 1 2/40
1/70 + 42/40 is 149/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
1/70 = 1 × 4/70 × 4 = 4/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
42/40 = 42 × 7/40 × 7 = 294/280 - Add the two like fractions:
4/280 + 294/280 = 4 + 294/280 = 298/280 - 298/280 simplified gives 149/140
- So, 1/70 + 42/40 = 149/140
In mixed form: 19/140
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