Add 4/70 and 42/40
1st number: 4/70, 2nd number: 1 2/40
4/70 + 42/40 is 31/28.
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,
4/70 = 4 × 4/70 × 4 = 16/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
42/40 = 42 × 7/40 × 7 = 294/280 - Add the two like fractions:
16/280 + 294/280 = 16 + 294/280 = 310/280 - 310/280 simplified gives 31/28
- So, 4/70 + 42/40 = 31/28
In mixed form: 13/28
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