Add 1/24 and 90/70
1st number: 1/24, 2nd number: 1 20/70
1/24 + 90/70 is 223/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
1/24 = 1 × 35/24 × 35 = 35/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
90/70 = 90 × 12/70 × 12 = 1080/840 - Add the two like fractions:
35/840 + 1080/840 = 35 + 1080/840 = 1115/840 - 1115/840 simplified gives 223/168
- So, 1/24 + 90/70 = 223/168
In mixed form: 155/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/24+90/70 1/48+90/70 3/24+90/70 1/72+90/70 5/24+90/70 7/24+90/70