Add 15/40 and 40/35
1st number: 15/40, 2nd number: 1 5/35
15/40 + 40/35 is 85/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
40/35 = 40 × 8/35 × 8 = 320/280 - Add the two like fractions:
105/280 + 320/280 = 105 + 320/280 = 425/280 - 425/280 simplified gives 85/56
- So, 15/40 + 40/35 = 85/56
In mixed form: 129/56
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