Add 63/16 and 40/90
1st number: 3 15/16, 2nd number: 40/90
63/16 + 40/90 is 631/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
63/16 = 63 × 45/16 × 45 = 2835/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
40/90 = 40 × 8/90 × 8 = 320/720 - Add the two like fractions:
2835/720 + 320/720 = 2835 + 320/720 = 3155/720 - 3155/720 simplified gives 631/144
- So, 63/16 + 40/90 = 631/144
In mixed form: 455/144
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