Add 42/45 and 14/40
42/45 + 14/40 is 77/60.
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,
14/40 = 14 × 9/40 × 9 = 126/360 - Add the two like fractions:
336/360 + 126/360 = 336 + 126/360 = 462/360 - 462/360 simplified gives 77/60
- So, 42/45 + 14/40 = 77/60
In mixed form: 117/60
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