Add 18/70 and 72/40
1st number: 18/70, 2nd number: 1 32/40
18/70 + 72/40 is 72/35.
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,
18/70 = 18 × 4/70 × 4 = 72/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
72/40 = 72 × 7/40 × 7 = 504/280 - Add the two like fractions:
72/280 + 504/280 = 72 + 504/280 = 576/280 - 576/280 simplified gives 72/35
- So, 18/70 + 72/40 = 72/35
In mixed form: 22/35
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