Add 98/70 and 90/24
1st number: 1 28/70, 2nd number: 3 18/24
98/70 + 90/24 is 103/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
98/70 = 98 × 12/70 × 12 = 1176/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
90/24 = 90 × 35/24 × 35 = 3150/840 - Add the two like fractions:
1176/840 + 3150/840 = 1176 + 3150/840 = 4326/840 - 4326/840 simplified gives 103/20
- So, 98/70 + 90/24 = 103/20
In mixed form: 53/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+90/48 98/70+90/72