Add 42/45 and 1/40
42/45 + 1/40 is 23/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
1/40 = 1 × 9/40 × 9 = 9/360 - Add the two like fractions:
336/360 + 9/360 = 336 + 9/360 = 345/360 - 345/360 simplified gives 23/24
- So, 42/45 + 1/40 = 23/24
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