Add 40/80 and 7/30
40/80 + 7/30 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
40/80 = 40 × 3/80 × 3 = 120/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
7/30 = 7 × 8/30 × 8 = 56/240 - Add the two like fractions:
120/240 + 56/240 = 120 + 56/240 = 176/240 - 176/240 simplified gives 11/15
- So, 40/80 + 7/30 = 11/15
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