Add 7/10 and 18/45
7/10 + 18/45 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
18/45 = 18 × 2/45 × 2 = 36/90 - Add the two like fractions:
63/90 + 36/90 = 63 + 36/90 = 99/90 - 99/90 simplified gives 11/10
- So, 7/10 + 18/45 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+18/45 7/10+36/45 7/20+18/45 7/10+18/90 21/10+18/45 7/10+54/45 7/30+18/45 35/10+18/45 7/10+90/45 7/50+18/45 49/10+18/45 7/70+18/45