Add 40/16 and 42/30
1st number: 2 8/16, 2nd number: 1 12/30
40/16 + 42/30 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
40/16 = 40 × 15/16 × 15 = 600/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Add the two like fractions:
600/240 + 336/240 = 600 + 336/240 = 936/240 - 936/240 simplified gives 39/10
- So, 40/16 + 42/30 = 39/10
In mixed form: 39/10
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