Add 63/90 and 36/42
63/90 + 36/42 is 109/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
36/42 = 36 × 15/42 × 15 = 540/630 - Add the two like fractions:
441/630 + 540/630 = 441 + 540/630 = 981/630 - 981/630 simplified gives 109/70
- So, 63/90 + 36/42 = 109/70
In mixed form: 139/70
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