Add 40/90 and 48/84
40/90 + 48/84 is 64/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
40/90 = 40 × 14/90 × 14 = 560/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
48/84 = 48 × 15/84 × 15 = 720/1260 - Add the two like fractions:
560/1260 + 720/1260 = 560 + 720/1260 = 1280/1260 - 1280/1260 simplified gives 64/63
- So, 40/90 + 48/84 = 64/63
In mixed form: 11/63
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