Add 63/72 and 36/45
63/72 + 36/45 is 67/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
36/45 = 36 × 8/45 × 8 = 288/360 - Add the two like fractions:
315/360 + 288/360 = 315 + 288/360 = 603/360 - 603/360 simplified gives 67/40
- So, 63/72 + 36/45 = 67/40
In mixed form: 127/40
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