Add 21/90 and 3/32
21/90 + 3/32 is 157/480.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
21/90 = 21 × 16/90 × 16 = 336/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
3/32 = 3 × 45/32 × 45 = 135/1440 - Add the two like fractions:
336/1440 + 135/1440 = 336 + 135/1440 = 471/1440 - 471/1440 simplified gives 157/480
- So, 21/90 + 3/32 = 157/480
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