Add 90/24 and 1/84
1st number: 3 18/24, 2nd number: 1/84
90/24 + 1/84 is 79/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
90/24 = 90 × 7/24 × 7 = 630/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
1/84 = 1 × 2/84 × 2 = 2/168 - Add the two like fractions:
630/168 + 2/168 = 630 + 2/168 = 632/168 - 632/168 simplified gives 79/21
- So, 90/24 + 1/84 = 79/21
In mixed form: 316/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+2/84 90/48+1/84 90/24+3/84 90/72+1/84 90/24+5/84 90/24+7/84